Browse the evidence

Serum uric acid levels are positively associated with arterial stiffness in Type 2 Diabetes patients, independent of other cardiovascular risk factors.

High uric acid is linked to stiffer arteries in diabetes. While lowering it is not yet a standard primary treatment for stiffness, keeping uric acid levels within a healthy range through diet and hydration may support vascular health.

Higher salt taste preference is positively correlated with systolic blood pressure, body weight, and BMI following consumption of an ultra-processed diet.

If you prefer salty foods and eat an ultra-processed diet, you may have higher blood pressure and body weight. Monitoring your salt preference and overall diet quality might be beneficial.

Dermal white adipose tissue (dWAT) loss and fibrotic transformation due to aging and photodamage reduce adiponectin production, leading to compromised skin health, fine lines, and atrophy.

Prioritize skin health by maintaining healthy dermal fat. Avoid aggressive fat-destroying procedures if possible, as loss of dermal white adipose tissue (dWAT) leads to fibrosis, reduced adiponectin, and faster skin aging. Focus on treatments that support or regenerate small, healthy fat cells rather than just removing volume.

GLP-1 receptor agonists (GLP-1RAs) cause facial fat atrophy, sagging, and wrinkling ("Ozempic face") by inhibiting adipocyte differentiation and promoting fibrotic transformation of dWAT.

If using GLP-1RAs, be aware that facial fat loss and skin aging ('Ozempic face') are common side effects. Consider proactive skin care or aesthetic interventions (like fat grafting or regenerative fillers) to counteract fat loss and fibrosis. Monitor facial changes and discuss mitigation strategies with your provider.

Hypertrophic (large) adipocytes promote skin aging by secreting proinflammatory cytokines, downregulating collagen/elastin, and upregulating MMPs, whereas small healthy adipocytes promote skin health via adiponectin.

Maintain a healthy weight to avoid hypertrophic (large) fat cells, which promote skin aging through inflammation and collagen breakdown. Focus on strategies that promote small, healthy fat cells, which support skin structure via adiponectin.

Chronic psychological or physiological stress contributes to severe disease susceptibility by increasing cortisol, which suppresses immune function (specifically secretory IgA) and promotes dysbiosis, thereby increasing vulnerability to infection.

Manage chronic stress through mind-body interventions like diaphragmatic breathing or other relaxation techniques, as high stress levels can suppress your immune system and disrupt your gut health, making you more vulnerable to infections.

Long-term adherence to low-carbohydrate diets may attenuate weight loss benefits and potentially increase LDL cholesterol in some individuals, raising cardiovascular risk concerns.

While LCDs work well for short-term weight loss, be aware that benefits may diminish after a year, and some people see their bad cholesterol (LDL) rise. Regular monitoring of lipids and liver health is essential if you stay on this diet long-term.

The weight loss benefit of tirzepatide over semaglutide is significantly attenuated or absent in patients with type 2 diabetes compared to those without diabetes.

For patients with diabetes, the weight loss advantage of tirzepatide over semaglutide seen in non-diabetics may not be present. Consult your doctor to manage expectations regarding weight loss if you have diabetes.

Fasting plasma ghrelin concentrations are significantly decreased in human obesity compared to lean individuals, contradicting the hypothesis that elevated ghrelin drives obesity.

This research suggests that simply having high ghrelin is not the driver of obesity; in fact, obese individuals often have lower levels. This challenges the idea that 'fixing' ghrelin by increasing it would help, as the body may have downregulated it in response to excess energy. Future weight loss strategies may need to address why ghrelin remains suppressed or how to normalize its regulation, rather than just suppressing it further.

Intra-uterine levonorgestrel administration provides long-term symptom relief for symptomatic endometriosis, with pain and blood loss decreasing significantly over 3 years, though device retention rates drop over time due to irregular bleeding.

For symptomatic endometriosis, a Levonorgestrel IUD can significantly reduce pain and blood loss over 3 years. Be prepared for irregular bleeding in the first 6 months, which is the main reason women remove the device, but the long-term symptom relief is substantial.

Postmenopausal estrogen therapy is associated with a reduced risk of coronary heart disease in prospective observational studies.

If you are postmenopausal, this study suggests that estrogen therapy might lower your risk of heart disease. However, this is an observational study, so other factors might be involved. Consult your doctor to weigh the benefits against potential risks like breast cancer or blood clots, as individual health profiles vary significantly.

The efficacy of low carbohydrate diets for diabetes remission is markedly reduced in patients who are using insulin.

If you are using insulin for type 2 diabetes, a low carbohydrate diet can still help, but the chances of achieving full remission are lower than for those not using insulin. You may need to work more closely with your healthcare provider to adjust your insulin dosage as your blood sugar improves.

Bariatric surgery, particularly Roux-en-Y gastric bypass and vertical sleeve gastrectomy, is associated with an increased risk of substance misuse disorders, suicide, and nutritional deficiencies.

Patients must be aware that bariatric surgery increases the risk of alcohol misuse, suicide, and nutritional deficiencies. Roux-en-Y gastric bypass and vertical sleeve gastrectomy alter alcohol absorption, increasing misuse risk. Lifelong supplementation and monitoring for mental health and nutritional status are essential.

A glucose disposal rate (GDR) below 5.3 mg/kgFFM+17.7 min during an 80 mU/m2·min hyperinsulinemic-euglycemic clamp identifies insulin resistance with 83% sensitivity and 96% specificity.

If your metabolic test uses a lower insulin dose (80 mU/m2·min), a glucose disposal rate below 4.1 mg/kg fat-free mass per minute is a strong indicator of insulin resistance, with very high specificity.

Altered glucose and insulin homeostasis in older adults, including elevated postprandial glucose and insulin, delays the return of hunger and contributes to reduced energy intake.

Focus on meals with a lower glycemic impact to avoid prolonged post-meal fullness and delayed hunger, which can suppress subsequent intake in older adults.

Short-chain fatty acids (SCFA) produced by gut microbiota from flavonoid and fiber fermentation influence energy metabolism, glucose-insulin homeostasis, and inflammatory pathways, with effects mediated by G-protein-coupled receptors (GPR).

Support your gut microbiota with fiber and flavonoid-rich foods to promote the production of short-chain fatty acids (SCFA). These byproducts help regulate blood sugar, energy expenditure, and inflammation.

High-protein diets may be detrimental to glucose control and insulin sensitivity in individuals with diabetes mellitus.

If you have diabetes, be cautious with high-protein diets. They may worsen your blood sugar control and insulin sensitivity. Consult your doctor before significantly increasing protein intake.

Nutritional support alone is ineffective for treating disease-induced cachexia because the primary driver is cytokine-mediated muscle catabolism and hypothalamic dysregulation, not simple energy deficit.

If a patient has cachexia (wasting due to illness like cancer or sepsis), simply increasing food intake will not restore muscle mass. Treatment requires addressing the underlying disease (e.g., infection, cancer) and potentially exercise, as nutrition alone is insufficient.

Obesity impairs the efficacy of influenza vaccination, resulting in a higher incidence of influenza-like illness despite vaccination, suggesting similar immune evasion may occur with other vaccines.

Obesity can reduce how well your flu shot works, making you twice as likely to get sick compared to non-obese vaccinated people. Still get vaccinated, but be aware you may need extra precautions or discuss high-dose options with your doctor.

High-fat diet (HFD) consumption triggers rapid hypothalamic inflammation (within 24 hours) and neuronal injury, which causes leptin resistance and an upward resetting of the body fat set-point, thereby driving obesity pathogenesis.

If you struggle with weight regain after dieting, it is likely due to biological defenses (leptin resistance) triggered by high-fat diets, not just a lack of willpower. This suggests that long-term management may require addressing the underlying hypothalamic inflammation rather than just caloric restriction.

In humans with Type 2 diabetes, apM1 (adiponectin) mRNA expression is significantly reduced in both omental and subcutaneous adipose tissue compared to lean and obese non-diabetic controls.

This research highlights that low levels of the fat-derived hormone adiponectin (apM1) are a hallmark of Type 2 diabetes, distinct from obesity alone. While not a direct intervention, maintaining healthy adipose tissue function and managing blood glucose are critical for preserving normal adiponectin levels, which may help mitigate insulin resistance.

Carriers of the preproghrelin Leu72Met polymorphism (specifically Met72 allele) exhibit lower body mass index, fat mass, and visceral adiposity compared to non-carriers, suggesting a protective effect against obesity.

If you have the Met72 variant, your body may naturally resist fat accumulation better than others. However, since this is a rare genetic variant, most people should focus on standard evidence-based weight management: caloric balance and physical activity. This finding highlights that individual biological responses to energy balance vary significantly.

The Arg51Gln mutation in the ghrelin gene is associated with significantly lower plasma ghrelin concentrations, but this reduction does not translate to a protective effect against obesity or altered obesity-related phenotypes.

Having lower ghrelin levels due to the Arg51Gln mutation does not appear to protect against obesity. Do not attempt to artificially lower ghrelin as a weight loss strategy, as this paper shows no benefit. Focus on overall energy balance.

Met72 allele carriers, particularly women, exhibit a lower prevalence of hypertension compared to non-carriers, suggesting a protective effect against cardiovascular comorbidities associated with obesity.

For obese women with the Met72 variant, there is an observed lower risk of hypertension. This does not replace blood pressure monitoring, but it suggests that genetic factors play a role in cardiovascular health independent of BMI. Regular monitoring is still essential.