Browse the evidence

Rural residents in Saudi Arabia have higher prevalence of diabetes, obesity, and hypertension compared to urban residents, challenging the assumption that urbanization is the sole driver of CVD risk.

Rural residents in Saudi Arabia face higher risks of diabetes, obesity, and hypertension than their urban counterparts. This is likely due to lifestyle changes associated with modernization. Public health efforts should target rural communities with specific interventions to promote healthy eating and physical activity.

Psychological distress and emotional baggage from negative life experiences (e.g., childhood trauma, social harassment) act as primary barriers to initiating and sustaining lifestyle changes, often overriding explicit health knowledge.

If you know what to do but can't start, your barrier is likely emotional, not intellectual. Standard advice won't work. You need support that addresses your past trauma and current stress, not just a diet plan. Professional assistance that focuses on emotional resilience is often necessary to break the cycle of 'stuckness'.

UPF intake may influence energy intake and metabolic responses through factors like energy density, eating rate, and hyper-palatability, but these mechanisms are not yet fully understood.

Try to be mindful of how quickly you eat and the energy density of your meals. UPFs are often designed to be hyper-palatable and energy-dense, which can lead to overconsumption. Choosing whole, minimally processed foods may help regulate energy intake.

Continuing lifestyle interventions (diet/exercise) after stopping AOMs does not prevent significant weight regain, as this subgroup also showed significant regain.

Even if you maintain a healthy diet and exercise routine, stopping anti-obesity medication is likely to lead to weight regain. The biological effects of the medication are significant, and lifestyle changes alone may not be enough to counteract the regain.

Relying solely on Fasting Plasma Glucose (FPG) for diagnosis misses a significant number of diabetes cases in Korean populations; OGTT or HbA1c is required for accurate diagnosis.

If you are Asian or have a lower body weight, a normal fasting blood sugar might not mean you are safe. You may have high blood sugar after eating. Ask your doctor about an OGTT or HbA1c test if you have risk factors.

HbA1c is a valid diagnostic criterion for diabetes (≥6.5%) in Korea, but it should not be used alone due to lower detection rates compared to combined FPG and OGTT.

HbA1c is a convenient test that doesn't require fasting, but it might miss diabetes if used alone. For the most accurate diagnosis, especially if you have conditions like anemia or kidney disease, combine it with fasting glucose or an OGTT.

Dispensing rates for GLP-1 RAs are significantly lower for obesity (AOM) indications compared to diabetes (ADM) indications, with a large gap in 60-day initiation rates.

Even if prescribed, GLP-1 RAs for weight loss are less likely to be filled than those for diabetes, largely due to insurance coverage issues. If you are prescribed an AOM GLP-1 RA, proactively check your insurance coverage and explore assistance programs to ensure you can access the medication.

Dispensing rates for GLP-1 RAs are lower in patients aged 65+ compared to those aged 18-64, particularly for AOM indications.

Older adults (65+) are less likely to fill GLP-1 RA prescriptions for weight loss compared to younger adults, largely due to Medicare not covering these medications. If you are 65 or older, discuss alternative coverage options or patient assistance programs with your healthcare provider.

A lifestyle pattern characterized by high consumption of food, alcohol, and cigarettes is associated with higher triglycerides, gamma-glutamyl transpeptidase (GTP), and diastolic blood pressure in T2DM patients.

For T2DM patients, high intake of alcohol, cigarettes, and large meals contributes to liver stress and high triglycerides. Reducing these specific behaviors can improve liver enzyme levels and blood pressure, even if blood sugar control remains stable.

Current standard-of-care structured lifestyle modification (500 kcal deficit + 150 min activity) added to obesity pharmacotherapy lacks evidence of improving drug response and may act as a barrier to care by reinforcing stigma.

If you are starting obesity medication, you do not need to complete a mandatory lifestyle program to access or benefit from it. Current evidence does not show that mandatory calorie counting and exercise improve drug results. Focus on your health and well-being; if you choose to make lifestyle changes, do so for yourself, not as a requirement for your medication.

Adherence to an ultra low-fat diet (ULF) leads to a compensatory increase in refined grain intake, which may undermine the cardioprotective potential of fat restriction.

If you choose a low-fat diet, be aware that your body may crave carbohydrates. You must actively replace the calories from fat with vegetables and whole foods, not refined grains or sugars. If you find yourself eating more bread or pasta to feel full, your heart health benefits may be negated by the increased refined carbohydrate intake.

Brief physician-led weight monitoring and advice during routine primary care consultations does not significantly reduce body weight in moderately obese patients compared to usual care.

For moderately obese patients in primary care, simply having their weight checked and receiving brief advice from their doctor during routine visits is not enough to lose weight. While this method is feasible and doesn't extend visit times, it does not produce significant weight loss compared to standard care. Patients and providers should look for more intensive interventions if weight loss is the goal.

An 8-week combined functional strength and nutrition education program does NOT significantly improve gait speed, health-related quality of life (HRQoL), or protein intake in older adults with pre-frailty and frailty, although exploratory analysis suggests potential trends.

Knowing you need more protein doesn't always mean you will eat more, especially if you live in a facility with limited menu choices. Focus on practical strategies like adding specific high-protein snacks or choosing protein-rich options from existing menus, rather than trying to completely change your diet overnight. Combine this with strength training for the best functional results.

Obstetrician-gynecologists generally perceive plant-based dietary patterns as safe and health-promoting for pregnant and lactating patients, yet a significant majority feel inadequately trained to provide nutrition counseling, leading to a discrepancy between positive attitudes and actual clinical recommendations.

For OB/GYNs: Recognize that your positive view of plant-based diets is supported by evidence, but your lack of training is the main barrier to recommending them. Seek out specific nutrition education or refer patients to dietitians to ensure safe implementation during pregnancy.

Electronic message (SMS/email) nudges consisting of 3-4 weekly questions about diet adherence and emotional state do not significantly improve class attendance, diet adherence, or weight loss maintenance compared to historical controls in the second half of a weight loss trial.

If you are trying to stick to a diet plan, simple automated text messages asking about your progress are unlikely to be enough on their own to keep you on track. To maintain adherence, especially when in-person support drops off, you likely need more interactive, varied, or personalized feedback mechanisms rather than just generic reminders.

Physical activity level is not significantly associated with blood lipid profiles in patients with coronary heart disease.

Contrary to common belief, this study found that physical activity levels did not significantly correlate with blood lipid profiles in CHD patients. While you should still stay active for overall heart health, do not rely on exercise alone to fix high cholesterol or triglycerides. Focus your primary efforts on managing your intake of fats and carbohydrates.

Moderate alcohol consumption (≤2-3 drinks/day for men, ≤1-2 for women) is associated with lower cardiovascular morbidity and all-cause mortality, but does not justify starting to drink for health reasons.

If you already drink moderately (up to 2-3 drinks for men, 1-2 for women), you can likely continue without worry regarding heart health. Do not start drinking if you don't already, as the risks (especially breast cancer in women) outweigh the benefits. Binge drinking should be strictly avoided.

Aspartame and other non-nutritive sweeteners (NNS) do not promote weight gain, contrary to common belief that they stimulate appetite or cause metabolic harm.

If you use aspartame, don't worry about it causing weight gain. It does not appear to trigger the compensatory eating that some fear.

Large-scale precision nutrition interventions targeting individual behavioral modification are unlikely to reduce obesity at a population level because they ignore the structural and environmental causes of incidence.

Do not rely solely on personalized diet apps or genetic testing to solve obesity. These tools focus on individual behavior, which is heavily constrained by your environment (food availability, cost, marketing). To effectively manage weight, you must combine personalized advice with structural changes to your environment, such as advocating for policy changes or modifying your immediate food access, rather than expecting data-driven advice alone to overcome an obesogenic environment.

Large-scale precision nutrition interventions are likely to exacerbate socioeconomic inequalities in obesity because socially privileged groups are more likely to adopt and benefit from these interventions.

Be aware that personalized health advice often works best for those with higher socioeconomic status. If you are from a lower socioeconomic background, personalized advice alone may not be enough due to structural barriers like cost and access. Advocate for policies that make healthy choices easier and cheaper for everyone, rather than relying solely on individualized digital interventions.

High-volume and high-intensity exercise may increase the risk of atrial fibrillation (AF) in athletes, suggesting a J-shaped relationship between exercise volume and AF risk.

While exercise is crucial for heart health, extremely high volumes of intense exercise may increase the risk of atrial fibrillation in athletes. Aim for moderate-volume exercise (5-20 MET hours/week) for optimal protection against AF.

Population-wide fiscal measures, such as taxes on sugar-sweetened beverages and unhealthy foods, can reduce purchases of taxed items and prevent childhood obesity cases, though their immediate impact on population health outcomes is limited and requires sustained implementation.

Government taxes on sugary drinks and unhealthy foods can reduce their purchase, but these policies are often weakened by industry opposition. For individuals, this means these products may remain accessible, so personal choices remain critical.

Pedometer interventions do not sustain weight loss or prevent weight regain during follow-up periods after the intervention ends.

Using a pedometer can help you lose some weight initially, but it may not be enough to keep it off long-term on its own. To maintain your weight loss, you may need ongoing support, such as regular check-ins or lifestyle programs, after you stop actively using the pedometer.

Intentional weight loss in overweight or obese diabetic patients is not associated with a significant change in all-cause mortality compared to weight stability.

If you are diabetic and obese, attempting to lose weight intentionally (through diet and exercise) does not appear to increase your risk of death compared to staying the same weight. However, ensure you are not losing muscle mass and are maintaining good glycemic control.