Browse the evidence

High-intensity behavioral therapy (IBT) delivered in primary care settings produces clinically significant weight loss and improvements in metabolic markers (HbA1c, blood pressure).

To manage weight effectively in primary care, engage in a structured behavioral therapy program that includes regular counseling, nutrition education, and goal setting. The program described offers 26 sessions over a year, combining individual and group visits. While financial barriers exist, the health benefits, including weight loss and improved blood pressure and blood sugar, make it a viable option for those who can access it.

Telemedicine-based health coaching delivered via videoconferencing induces significantly greater weight loss and improves insulin sensitivity (HOMA-IR) compared to in-person coaching or no coaching in obese adults.

If you are obese and struggle with weight loss, try a telemedicine health coaching program that uses weekly video calls and remote monitoring (scales/step counters). This approach may be more effective than in-person visits because it removes travel barriers, leading to better attendance and greater weight loss.

Telemedicine-based health coaching significantly increases daily physical activity (steps/day) compared to in-person coaching and no coaching.

Use a telemedicine coaching program that tracks your steps and sets weekly physical activity goals. This method helps you stay active by providing regular feedback and support without the hassle of traveling to appointments.

An individualized dietary intervention combining energy-restricted meal plans with group-based behavioral support and close monitoring achieves significant, sustained weight loss in postmenopausal women with overweight.

For postmenopausal women with overweight, sustainable weight loss is best achieved through a personalized diet plan that respects your food preferences, rather than a generic diet. This plan should include a moderate caloric deficit (approx. 750 kcal/day), potentially using meal replacements initially, and crucially, requires strong social support through group sessions and regular check-ins with a nutritionist to maintain motivation and address challenges like shake fatigue.

Personalized coaching within the program significantly improves behavioral parameters, including quality of life, nutritional habits (Nutriscore), and motivation to change (Prochaska Di Clemente Scale), compared to medical observation alone.

Sustainable weight loss requires behavioral support. Regular coaching improves quality of life, nutritional awareness, and motivation, which are critical for maintaining weight loss.

Implementing a one-week 'sleep-low' carbohydrate periodization strategy (periodizing intake to create low glycogen recovery and fasted morning training) improves endurance performance in well-trained cyclists by approximately 3.2%, primarily through altered pacing strategies rather than metabolic changes.

If you are a well-trained cyclist, try a 'sleep-low' strategy for one week before a key event. Eat your usual carbohydrates (around 6g/kg/day), but time them so you have high energy for your hard interval sessions in the late afternoon. Then, skip carbohydrates after that workout and train lightly the next morning on an empty stomach. This may help you pace better and perform ~3% faster in time trials, likely by changing how you manage effort rather than changing your metabolism.

Natural bodybuilders should train each muscle group 2-3 times per week with a volume of 40-70 reps per muscle group per session to maximize hypertrophic stimulus while managing fatigue during caloric restriction.

To build or maintain muscle while cutting weight, hit every muscle group 2-3 times a week. Aim for about 40-70 total reps per muscle group each time you train it. Use weights that let you do 6-12 reps (about 70-80% of your max). If you feel burnt out, take planned breaks (deloads) rather than just stopping training.

Periodized resistance training (Block or Undulating) is superior to non-periodized training for maintaining muscle mass and strength during contest preparation.

Do not run the same workout for months. Use a periodization plan (like Block or Undulating) to vary your weights, reps, and volume over time. This helps you keep muscle and strength while dieting.

Using electric bicycles for commuting and daily travel elicits a moderate-to-vigorous heart rate response (approx. 75% of max) and improves aerobic fitness in people with Type 2 diabetes, making it a viable health intervention.

If you have Type 2 diabetes and find traditional cycling too strenuous or hilly, try an electric bicycle. Use it for commuting or short trips. The study shows this can raise your heart rate to a beneficial level (similar to moderate exercise) and improve fitness, even if you are not used to cycling. Start with short rides and focus on consistency.

Maintaining sustained physical activity (moderate or vigorous) before and after a new diabetes diagnosis significantly reduces the risk of Major Adverse Cardiovascular Events (MACE) compared to sustained inactivity.

If you have been newly diagnosed with diabetes, maintaining your physical activity levels is crucial for protecting your heart. You do not need to perform extreme workouts; moderate activities like brisk walking for 30 minutes or vigorous activities like running for 20 minutes, performed regularly, significantly lower your risk of major cardiovascular events. If you were previously inactive, starting any form of physical activity—even light walking—is highly beneficial and can reduce your risk even more than if you had been active before. The key is consistency and avoiding a return to a sedentary lifestyle.

Transitioning from an inactive to an active physical activity state after a diabetes diagnosis yields the lowest risk of Major Adverse Cardiovascular Events (MACE), even lower than maintaining activity.

If you were not active before your diabetes diagnosis, starting now is the single best thing you can do for your heart health. The study found that people who went from being inactive to becoming active after diagnosis had the lowest risk of cardiovascular events—lower than those who were already active. Do not feel discouraged by your past inactivity; initiating moderate or vigorous exercise now offers a massive protective benefit.

In obese individuals with newly diagnosed diabetes, physical activity significantly reduces the risk of Major Adverse Cardiovascular Events (MACE), regardless of whether the activity occurred before or after diagnosis.

If you are obese and have diabetes, physical activity is a powerful tool to protect your heart. The study shows that being active significantly lowers your risk of cardiovascular events, whether you were active before or after your diagnosis. You do not need to lose weight first to see benefits; starting or maintaining exercise now is critical for your health.

Interval walking improves glycemic control and body composition more effectively than continuous walking in patients with type 2 diabetes.

Try incorporating intervals into your walking routine. Alternate between faster and slower walking speeds to improve your metabolic health.

Self-monitoring interventions (e.g., daily weighing, phone calls, mailings) during the holiday season can prevent or significantly reduce weight gain in adults.

If you are trying to lose weight, do not rely on willpower alone during the holidays. Use a structured self-monitoring plan, such as daily weighing or receiving regular reminders via phone or mail, to help maintain your weight.

Adding wearable activity tracking with behavioral feedback to structured exercise increases daily step counts and reduces systolic blood pressure in older adults with elevated cardiovascular disease risk compared to exercise alone.

For older adults at high risk of heart disease, simply exercising twice a week may not be enough. Adding a simple wearable step counter and receiving weekly check-ins to discuss how to move more during the day can help increase daily steps and lower blood pressure. The key is consistent wear and human support to troubleshoot the device.

AI-powered virtual health coaches (e.g., chatbots like Paola) combined with wearables can significantly improve physical activity, dietary adherence, and reduce weight and waist circumference in inactive adults aged 45-75.

For adults over 45 who are inactive, using an AI-powered health app with a wearable tracker can significantly boost physical activity and improve diet. Look for programs that offer a chatbot for guidance and track your activity automatically. This approach can lead to modest but meaningful weight loss and waist reduction without needing intensive in-person counseling.

Group-based weight management programmes with intensive, face-to-face support and a focus on group identity and accountability are more acceptable and feasible for adults with severe obesity (BMI ≥35 kg/m²) than remote or less intensive interventions.

If you have severe obesity, look for a weight management programme that is group-based and offers intensive, face-to-face support. The social aspect and accountability to a group with similar experiences can be a powerful motivator. However, be aware that if you have significant physical pain or mental health challenges, you may need a programme that offers flexibility or private options, as standard group activities might not suit everyone.

Videoconference-delivered Group Lifestyle Balance (GLB) weight loss intervention achieves statistically equivalent weight loss and higher retention rates compared to traditional in-person delivery over a 12-week period.

If you struggle with attending in-person weight loss classes due to busy schedules or frequent moves, a videoconference-based program like GLB is a viable alternative. This study shows that remote delivery can result in the same amount of weight loss (approx. 5-6% body weight) as in-person classes, while actually keeping more people in the program. To replicate this, you need a reliable internet connection and a smart scale that shares data with your counselor.

Videoconference-delivered group weight loss programs achieve clinically significant weight loss (mean 7.4% in completers) comparable to in-person delivery, with higher retention rates in videoconference formats.

If you are looking for a weight loss program, a videoconference-based group program can be just as effective as meeting in person. In fact, people in videoconference groups were more likely to stick with it and report their weight. Look for programs that offer weekly group support, clear nutritional guidelines (like high fiber and balanced macros), and tools for tracking progress. The format (online vs. in-person) matters less than the consistency of the support and the nutritional strategy.

Twelve weeks of supervised resistance training significantly improves physical performance and reduces frailty prevalence in post-hospitalized older adults, regardless of whether leucine-enriched whey protein is consumed post-exercise.

If you are an older adult recovering from hospitalization, start supervised resistance training twice a week. You do not need to buy leucine-enriched protein supplements to see improvements in your physical function and frailty status. The act of training itself is sufficient to drive significant recovery.

Nutrition education interventions in indoor team sports significantly improve dietary intake compliance, particularly in female athletes, though often still fall short of official recommendations.

If you are an indoor team athlete, seek out structured nutrition education or counseling. It works, especially for women, to improve your intake. However, do not assume you will hit all targets automatically; you likely still need to consciously push your carbohydrate and energy intake higher than your natural habits.

A 12-week virtual multidisciplinary intensive lifestyle intervention (telemedicine + m-health) produces weight loss and A1C improvements equivalent to an in-person program for patients with type 2 diabetes and obesity.

If you have Type 2 Diabetes and obesity, a 12-week virtual program using telemedicine and health apps can help you lose weight and improve blood sugar just as well as going to a clinic in person. The program involves weekly 2-hour sessions with a team (doctor, dietitian, exercise physiologist, psychologist) where you log your food and exercise, adjust medications, and learn behavioral strategies. You need to be comfortable using technology, as the program relies on apps and remote monitoring.

A 12-month individualized nutritional counseling intervention in primary care significantly reduces body weight, BMI, and abdominal adiposity in overweight women, with greater anthropometric improvements observed in participants attending more than 9 consultations.

For overweight women, a structured, long-term (12-month) nutritional counseling program integrated with regular physical exercise in primary care leads to modest but significant weight loss (approx. 3%) and reduced abdominal fat. Success is strongly linked to adherence; attending more than 9 sessions yields significantly better results. The approach focuses on small, sustainable behavioral changes (e.g., increasing meal frequency, reducing liquid intake during meals, increasing fruit/vegetable consumption) rather than drastic restrictions, making it viable for low-income populations.

Using an activity tracker (Fitbit) combined with kinesiologist-led physical activity promotion significantly increases physical activity levels and improves specific cardiometabolic risk variables (HDL cholesterol, BMI, waist circumference) in patients with type 2 diabetes compared to kinesiologist-led promotion alone.

For a patient with Type 2 Diabetes, using a simple activity tracker like a Fitbit alongside a structured exercise plan guided by a health professional (like a kinesiologist) is more effective for improving heart health markers (like HDL cholesterol) and reducing waist size than just following the exercise plan alone. The key is using the tracker to stay motivated and adhere to the 150 minutes of moderate activity per week recommended by your provider.