Browse the evidence

The inverse association between flavonol intake and CVD risk is significant in women but not observed in men in subgroup analyses.

While flavonols are beneficial for everyone, this specific analysis highlights a stronger statistical link to CVD risk reduction in women. Women may derive particular cardiovascular benefit from flavonol-rich diets.

Activation of the kynurenine pathway via IDO/TDO enzymes during inflammation promotes immune tolerance and prevents hyperinflammation by depleting tryptophan and producing kynurenine, which activates the aryl hydrocarbon receptor (AhR) to drive regulatory T cell differentiation.

This paper highlights that the body's natural response to stress (inflammation) involves shifting tryptophan metabolism to protect against excessive immune damage. While not a direct supplement protocol, it suggests that maintaining healthy tryptophan metabolism and understanding the balance of immune response is crucial for aging. Future therapies might target this pathway, but currently, no specific dose is recommended for general use.

Targeting tryptophan metabolism, specifically by inhibiting TDO or boosting de novo NAD+ synthesis, may extend lifespan and improve metabolic health in animal models.

Current research suggests that modulating tryptophan metabolism (e.g., boosting NAD+ synthesis) might improve metabolic health and potentially extend lifespan in animals. However, this is not yet a recommended human intervention due to potential risks like aggravated inflammation. Focus on healthy lifestyle factors that naturally support metabolic health.

Sirtuins (SIRTs) are potential therapeutic targets for NAFLD treatment, with SIRT1 playing a key role in regulating lipid metabolism and autophagy.

Sirtuins are being studied as potential drug targets for NAFLD, but no specific sirtuin-activating supplements or drugs are currently recommended for treatment.

Glycogen accumulation allosterically inhibits AMPK activity by binding to its glycogen-binding domain, particularly when glycogen has high branching content.

High muscle glycogen levels can allosterically inhibit AMPK activity, particularly when glycogen has high branching content. This inhibition may help prevent further glycogen synthesis. Balancing glycogen levels is important for metabolic regulation.

Fish consumption is not significantly associated with the risk of hemorrhagic stroke.

Unlike ischemic stroke, there is no significant link between how much fish you eat and your risk of hemorrhagic stroke (bleeding in the brain). This suggests that eating fish is safe for this specific type of stroke risk, as the protective effects likely balance any potential bleeding risks from omega-3s.

Maternal 1-hour glucose levels during pregnancy are specifically associated with an increased risk of childhood prehypertension or hypertension, independent of other glucose measures.

If a mother has a high 1-hour glucose level during her pregnancy, her child may be at a higher risk for high blood pressure in childhood. This highlights the importance of monitoring blood pressure in children born to mothers with elevated 1-hour glucose levels, even if their fasting glucose was normal.

The method of diagnosing diabetes significantly impacts the observed prevalence in PCOS, with self-report or administrative records doubling the odds ratio compared to prospective blood-based techniques.

If you are looking at statistics about PCOS and diabetes, be careful about how 'diabetes' was defined. Studies using blood tests (OGTT) find lower rates than those using medical records, because many women with PCOS are undiagnosed. This highlights the need for active screening.

Sustainable intensification of livestock production can significantly reduce greenhouse gas emissions per unit of food produced while maintaining or increasing nutritional output.

For producers and policymakers, focusing on sustainable intensification (better genetics, feed, and management) can reduce the environmental footprint of livestock while increasing food security. For consumers, this means that moderate ASF consumption in developing regions is not inherently unsustainable if production methods are improved.

Strawberry polyphenols (specifically anthocyanins and flavanols) inhibit the progression of precancerous esophageal lesions and reduce risk of head/neck cancer through NF-kB suppression.

If you have precancerous esophageal lesions, incorporating 60g of freeze-dried strawberry powder daily for 6 months may help inhibit lesion progression by suppressing key inflammatory pathways like NF-kB. Consult your doctor for a personalized plan.

Exposure to environmental endocrine-disrupting chemicals (EDCs) such as BPA, phthalates, and persistent organic pollutants acts as an obesogen, contributing to obesity, metabolic syndrome, and type 2 diabetes by disrupting endocrine pathways, adipogenesis, and gut microbiota.

Reduce exposure to known endocrine disruptors by avoiding heating food in plastic containers, choosing glass or stainless steel for water storage, and filtering drinking water. Be aware that these chemicals are ubiquitous in plastics, pesticides, and personal care products, and early-life exposure may have long-term metabolic consequences.

Exposure to environmental endocrine-disrupting chemicals (EDCs) is associated with adverse reproductive health outcomes in both males and females, including reduced fertility, altered puberty timing, and increased risk of conditions like PCOS and endometriosis.

Minimize exposure to EDCs by avoiding plastic food containers, especially when heating food, and choosing personal care products free of phthalates and parabens. This is particularly important for those planning pregnancy or currently pregnant.

SIRT1 activation via calorie restriction or resveratrol promotes mitochondrial biogenesis through PGC-1α deacetylation, which may reduce reactive oxygen species (ROS) production and mitigate aging.

Calorie restriction and potentially resveratrol may improve health by activating SIRT1, which boosts mitochondrial biogenesis via PGC-1α. This process might reduce oxidative stress by making mitochondria more efficient, though this specific benefit is not yet proven in humans. Focus on metabolic health rather than fearing oxidative stress from increased metabolism.

Resveratrol, a SIRT1 activator, counteracts adverse consequences of a high-calorie diet in mice, including extending lifespan and improving metabolic health, by promoting mitochondrial biogenesis.

Resveratrol has shown benefits in mice on high-calorie diets by activating SIRT1 and improving mitochondrial function. However, human evidence is limited to short-term metabolic improvements, and the mechanism of action is debated. It is not a substitute for a healthy diet and lifestyle.

Curcumin administration significantly reduces blood glucose levels and improves insulin sensitivity in rodent models of diabetes (STZ-induced, alloxan-induced, and high-fat diet-induced).

In animal studies, curcumin consistently lowered blood sugar and improved insulin sensitivity across various diabetes models. While human data is limited, the mechanism suggests potential benefit for glycemic control, particularly when using formulations designed to improve absorption.

Curcumin ameliorates diabetes-associated complications including neuropathy, nephropathy, and vascular dysfunction through anti-inflammatory and antioxidant mechanisms.

Curcumin shows promise in reducing the risk of diabetes complications like nerve and kidney damage in animal studies by lowering inflammation and oxidative stress. Human application requires more robust clinical trials.

Curcumin improves lipid profiles and reduces liver fat accumulation in diabetic models.

Curcumin may help reduce liver fat and improve lipid profiles in diabetic individuals, independent of weight loss, according to animal studies.

Chronic exposure to organic pesticides (organochlorine and polychlorinated biphenyls) is associated with a dose-dependent increase in the prevalence of type 2 diabetes and insulin resistance.

High levels of organic pesticides in your body are linked to a significantly higher risk of type 2 diabetes, especially if you are overweight. This risk is dose-dependent, meaning higher exposure leads to higher risk.

Exposure to air pollutants, specifically particulate matter (PM) and nitrogen dioxide (NO2), is associated with a dose-dependent increase in the incidence of type 2 diabetes, predominantly in women.

Living in areas with high air pollution (particulate matter, nitrogen dioxide) increases your risk of developing type 2 diabetes, especially if you are a woman. This risk increases with higher exposure levels.

Physical activity interventions alone result in inconsistent improvements in inflammatory markers, likely due to smaller magnitude of weight loss and maintenance of fat-free mass.

Exercise alone may not significantly reduce inflammation if it does not lead to substantial weight loss. Combining exercise with dietary changes is likely more effective for improving inflammatory markers.

Gut microbiota composition influences obesity risk through the production of short-chain fatty acids (SCFAs), where butyrate and propionate act as anti-obesogenic agents by improving insulin sensitivity and regulating appetite, while acetate acts as an obesogenic substrate for lipogenesis.

Your gut bacteria produce chemicals that directly affect your weight. Some byproducts (butyrate, propionate) help control hunger and fat storage, while others (acetate) can fuel fat creation. To support the beneficial byproducts, prioritize fiber-rich foods that feed the specific bacteria that produce them, rather than just focusing on calorie counting.

High-fat diets increase the absorption of lipopolysaccharides (LPS) from Gram-negative bacteria, leading to metabolic endotoxemia, chronic inflammation, and increased adiposity.

High-fat diets can damage your gut barrier, allowing bacterial toxins (LPS) into your bloodstream. This triggers inflammation that promotes fat storage and insulin resistance. Reducing excessive fat intake and supporting gut barrier integrity may help mitigate this inflammatory response.

Inhibition of miR-103 and miR-107 using the GalNAc-conjugated antagomiR RG-125 (AZD4076) improves hepatic insulin sensitivity and reduces liver triglyceride content in patients with type 2 diabetes or pre-diabetes.

This research highlights a specific pharmaceutical approach (RG-125) targeting liver fat and insulin resistance in diabetic patients. As of the paper's writing, this was in early clinical trials. For now, managing hepatic insulin resistance relies on standard lifestyle interventions (caloric deficit, exercise) and existing medications, keeping an eye on emerging therapies that target specific molecular pathways like miR-103/107.

Living in low socioeconomic neighbourhoods is associated with higher body mass index (BMI) compared to high socioeconomic neighbourhoods, independent of individual-level factors.

If you live in a low-income area, your higher BMI risk may be driven by your environment, not just your choices. Focus on what you can control: nutrition knowledge and seeking out resources, but recognize that structural changes (like better store access) are needed for long-term community health.