Browse the evidence

Perilipin acts as a dynamic scaffold on adipocyte lipid droplets that restricts basal lipolysis by blocking cytosolic lipase access, and upon PKA phosphorylation during energy deficit, facilitates maximal lipolysis by coordinating the docking of hormone-sensitive lipase and adipose triglyceride lipase.

Your body uses a protein called perilipin to manage fat storage. When you are not exercising or fasting (basal state), perilipin acts as a shield, preventing enzymes from breaking down stored fat. When you create an energy deficit (e.g., through exercise or fasting), hormones trigger a signal (PKA) that phosphorylates perilipin. This changes its shape, removing the shield and allowing fat-burning enzymes (ATGL and HSL) to access and break down the fat. Without this protein's dynamic regulation, your body cannot efficiently switch between storing and burning fat.

There is no highly convincing evidence of a clear role of vitamin D for any health outcome, as observational associations often fail to replicate in randomised controlled trials.

Do not expect Vitamin D supplements to prevent chronic diseases like cancer, heart disease, or diabetes based on current high-quality evidence. It is important for basic health, but supplementation for disease prevention is not strongly supported.

Supplementation with 1 g/day of marine n-3 fatty acids (containing 840 mg EPA/DHA) does not reduce the incidence of major cardiovascular events or invasive cancer in a general population at usual risk.

Taking 1 gram of fish oil daily (providing 840mg EPA/DHA) does not significantly lower your risk of heart attacks, strokes, or cancer if you are otherwise at average risk. Focus on proven lifestyle factors instead.

Low-dose supplementation with marine n-3 fatty acids (EPA-DHA) or plant-derived alpha-linolenic acid (ALA) does not significantly reduce the rate of major cardiovascular events in patients who have had a myocardial infarction and are receiving state-of-the-art standard therapy.

If you have had a heart attack, taking low-dose fish oil (EPA-DHA) or flaxseed oil (ALA) supplements will not significantly lower your risk of another major cardiovascular event, provided you are already taking your prescribed heart medications (blood pressure, blood thinner, and cholesterol drugs). Do not rely on these supplements as a substitute for standard medical therapy.

Large-volume abdominal liposuction in obese women fails to improve insulin sensitivity, inflammatory markers, or coronary heart disease risk factors, despite significant reduction in subcutaneous fat mass.

Liposuction removes fat but does not fix the metabolic problems associated with obesity, such as insulin resistance or inflammation. If your goal is to improve metabolic health or reduce heart disease risk, liposuction alone is not sufficient; you must achieve a negative energy balance through diet and lifestyle changes to get those benefits.

Insulin signaling promotes lipid synthesis and glucose storage by upregulating SREBP-1c and ChREBP, while simultaneously repressing gluconeogenic genes via the inhibition of FOXO transcription factors.

Insulin acts as a master switch for energy storage. When insulin is high (after eating), it turns on genes that store fat and glucose, and turns off genes that produce new glucose. This is why high-insulin states favor fat storage.

Albumin binding via fatty acid derivatization extends the half-life of GLP-1 analogs, enabling once-daily (liraglutide) or once-weekly (semaglutide) dosing.

The drugs are designed to bind to albumin in the blood, which keeps them in the body longer. This allows for less frequent dosing (daily or weekly) compared to the natural hormone, which breaks down quickly.

Ketogenic diets are an effective treatment for severe childhood epilepsy, reducing seizure frequency by 30-40%, comparable to modern antiepileptic drugs, and allowing for reduced drug use.

For severe childhood epilepsy, a ketogenic diet is a well-established, effective treatment that can reduce seizures by 30-40%, comparable to medication, and may allow for reduced drug use and side effects.

Type 2 deiodinase (D2) is retained in the endoplasmic reticulum (ER), allowing locally generated T3 to have prolonged access to nuclear thyroid hormone receptors compared to T3 entering from the plasma.

The location of thyroid hormone production matters. When D2 produces T3 inside the cell (in the ER), that T3 stays near the nucleus longer than T3 coming from the blood, ensuring stronger local signaling.

Gut microbiota transplantation from high-cholesterol diet-fed mice to germ-free mice is sufficient to induce hepatic lipid accumulation, inflammation, and cell proliferation, demonstrating a causal role for microbiota in NAFLD-HCC.

Your gut bacteria are not just passengers; they can drive liver disease. If your diet has altered your gut bacteria to favor harmful types, those bacteria can directly cause liver inflammation and fat accumulation, even if you change your diet later.

Loss-of-function mutations in PPARγ cause a syndrome of partial lipodystrophy and severe insulin resistance, demonstrating that PPARγ is essential for normal adipose tissue function and metabolic health.

This node describes a rare genetic condition, not a general lifestyle advice. It proves that healthy fat tissue is crucial for preventing diabetes.

Type 2 diabetes risk in Europeans is predominantly driven by common genetic variants of modest effect size, with no novel low-frequency variants of moderate-to-strong effect detected despite extensive sample sizes.

This research indicates that for most people of European ancestry, Type 2 Diabetes risk is largely determined by common genetic factors with small individual effects, rather than rare, high-impact mutations. This means lifestyle interventions remain critical because they address the environmental and physiological pathways (insulin secretion, action) that these genes influence, even if the genetic risk itself cannot be changed.

High-intensity interval training (HIIT) has no significant effect on insulin, lipid profiles, C-reactive protein (CRP), or interleukin-6 (IL-6) in overweight/obese populations.

If you are overweight or obese, do not expect high-intensity interval training to significantly change your insulin levels, lipid profile, or inflammatory markers (CRP, IL-6). Focus on HIIT for its proven benefits on aerobic fitness, blood pressure, and body composition instead.

Transplanting gut microbiota from obese donors to lean recipients can predispose the recipient to greater weight gain, demonstrating a causal role of the microbiome in adiposity.

Your current gut bacteria might be helping you gain weight. While you can't directly swap your microbiome, you can influence it through diet. The paper suggests that weight loss and dietary changes can alter this composition, potentially reducing the efficiency of energy harvest.

Without immediate and effective intervention, the global prevalence of adult overweight and obesity will continue to increase, reaching 3.80 billion adults by 2050.

The current trajectory of global obesity is unsustainable and will affect over half the adult population by 2050. Individuals and policymakers must move beyond simple awareness and implement aggressive, targeted interventions tailored to local contexts to prevent this crisis.

PPARγ is the master regulator of adipogenesis; its presence is necessary and sufficient for the differentiation of precursor cells into mature adipocytes, whereas its absence prevents fat cell formation.

Understanding that PPARγ is the master switch for fat cells helps explain why obesity is hard to reverse once established, but also why targeting this pathway (e.g., with specific drugs or lifestyle changes like fasting) can be effective. It is not just 'willpower'; it is a molecular process that can be modulated.

There is no clinical evidence from Randomized Controlled Trials (RCTs) for the gastrointestinal health effects of kombucha, miso, kimchi, or tempeh in humans.

Be cautious with claims about kombucha, kimchi, miso, and tempeh curing gut diseases. While they are healthy foods with interesting properties, there are no human clinical trials proving they treat gastrointestinal disorders. Enjoy them as part of a balanced diet, but don't rely on them as medicine yet.

Stress management and nutritional supplements (Calcium, Magnesium, Potassium, Fish Oil) do not significantly lower blood pressure in individuals with high-normal diastolic blood pressure.

For people with high-normal blood pressure, stress management and common nutritional supplements (Calcium, Magnesium, Potassium, Fish Oil) are not effective strategies for lowering blood pressure, even when taken as directed. Focus on weight loss and sodium reduction instead.

Glucotoxicity and lipotoxicity are major factors causing progressive beta-cell failure in type 2 diabetes through apoptosis.

High blood sugar (glucotoxicity) and high fatty acids (lipotoxicity) kill beta-cells in type 2 diabetes. Managing these levels is crucial to prevent further loss of insulin-producing capacity.

Supplementation with long-chain or short-chain omega-3 fatty acids does not significantly reduce total mortality or combined cardiovascular events in adults, regardless of baseline cardiovascular risk.

Do not rely on omega-3 supplements to prevent heart attacks or death. While eating oily fish is still recommended by guidelines, taking high-dose omega-3 capsules has not been shown to provide the cardiovascular protection previously claimed. Focus on proven lifestyle factors instead.

Higher intake of omega-3 fatty acids does not increase the risk of cancer, nor does it significantly reduce cancer incidence.

You do not need to worry that omega-3 supplements will cause cancer, nor should you expect them to prevent it. The risk profile for cancer is neutral.

Glucagon receptor blockade or suppression prevents the catabolic consequences of insulin deficiency (hyperglycemia, ketoacidosis) in animal models.

In animal models, preventing glucagon from acting stops diabetes even without insulin. This suggests that therapies blocking glucagon could potentially manage blood sugar without the need for high-dose insulin, reducing side effects.

Pro-inflammatory adipokines such as TNF-α and IL-6 induce insulin resistance by activating kinases (JNK, IKKβ) that phosphorylate IRS1/2 on serine residues, thereby inhibiting tyrosine phosphorylation and downstream insulin signaling.

Insulin resistance isn't just about 'too much insulin'; it's about the signal being blocked. Inflammation from fat tissue activates specific enzymes (JNK, IKKβ) that physically block the insulin receptor's ability to work by modifying key proteins (IRS) at the wrong spot (serine instead of tyrosine).

Vitamin D3 supplementation at 4000 IU/day does not significantly reduce the risk of developing type 2 diabetes in adults at high risk who are not selected for vitamin D insufficiency.

If you are at high risk for type 2 diabetes, taking 4000 IU of Vitamin D3 daily will not significantly lower your risk of developing the disease unless you are severely deficient. Focus on proven lifestyle changes like weight management and physical activity instead of relying on this supplement for prevention.