Dr. Joseph Mercola - Take Control of Your Health

Early-life stress changed how brain cells responded to future challenges in mice, suggesting that adversity during development can leave lasting effects that become apparent when stress returns later in life
Researchers found that 75% of the stress-related changes in proteins that help control access to DNA were associated with genes being more open, active or ready for future use
Mice whose brains were primed during development showed stronger responses to adult stress, including altered gene activity, more easily activated dopamine neurons and behavioral signs of greater stress sensitivity
The affected brain cells weren't constantly overactive, showing that early adversity didn't simply lock the brain into a permanent stress response; the heightened reaction emerged when another stressor occurred
Your past doesn't determine your future response to stress; reducing chronic stress, protecting your sleep, allowing time for recovery and maintaining supportive relationships give you practical ways to better handle the pressures you face today

In a laboratory study, erythritol disrupted several functions in cultured human brain blood vessel cells, raising concerns that its effects extend beyond blood sugar and calorie content
Erythritol increased oxidative stress while reducing nitric oxide production by about 20%, interfering with a key process that helps your blood vessels relax and regulate blood flow
The sweetener increased production of endothelin-1, which promotes blood vessel constriction, by about 30%, further shifting the balance away from healthy blood vessel function
Erythritol-treated cells failed to activate their normal clot-clearing response when researchers exposed them to a clotting signal, suggesting another way the sweetener could interfere with healthy brain blood vessel function
Avoiding erythritol starts with checking ingredient lists — it appears in many products not obviously marketed as sugar-free — and choosing natural sweeteners like ripe fruit, raw honey or maple syrup in moderation rather than replacing it with another artificial substitute

Arginine does more than help build proteins — your cells also need this amino acid to produce immune-alert proteins that help T cells recognize infected or abnormal cells
When arginine became scarce, the cellular machinery responsible for building these immune-alert proteins stalled, leaving fewer warning signals available to help the immune system detect threats
In mice, increasing dietary arginine reduced colon tumor formation and improved outcomes in influenza and SARS-CoV-2 infections, benefits that disappeared when researchers disabled the immune pathway arginine supports, confirming the effect wasn't coincidental
Whole foods are the preferred starting point for maintaining healthy arginine intake, with grass fed beef, lamb and watermelon providing options without relying automatically on supplements
Adequate protein, sufficient carbohydrates and lower linoleic acid intake support the broader cellular environment your immune system needs to produce energy, build proteins and respond effectively to threats

Women with polyendocrine metabolic ovarian syndrome (PMOS), the condition formerly called polycystic ovary syndrome (PCOS), showed a more than fourfold higher rate of artery disease in a large U.S. study based on more than two decades of health insurance records
The analysis included more than 413,000 women with PMOS and over 2 million women without the condition, with an average age of just over 31, showing that cardiovascular risk can emerge during the reproductive years
High blood pressure, high cholesterol, Type 2 diabetes, and obesity explained only about 36% of the association, suggesting that PMOS itself may be an important cardiovascular risk-enhancing factor
The recent change from PCOS to PMOS reflects a broader understanding of the condition as a multisystem endocrine and metabolic disorder rather than one centered on ovarian cysts
Lifestyle strategies that address the metabolic patterns accompanying this diagnosis include eating adequate whole-food carbohydrates, cutting seed oils high in linoleic acid, regular walking and strength training, and limiting exposure to hormone-disrupting chemicals

Severe flu season can affect millions, but symptoms such as fever, tiredness, swelling, and mucus often show that your immune system is working to fight the infection inside the body
A large systematic review found zinc lozenges may modestly shorten common cold and flu duration by 2.4 days
Honey, propolis, royal jelly, and other bee products contain natural compounds that may act against viruses, but most evidence still comes from laboratory and animal studies rather than human trials
Tea tree oil did not kill the flu virus directly, but lab tests found that it interrupted an early step the virus needs to multiply inside infected cells
Fluids, rest, broth, honey, salt water, steam, and moist air ease symptoms, while diet, exercise, and sunlight support health. We also review elderberry, quercetin, zinc, vitamin A, vitamin C, NAC, vitamin D, echinacea, and andrographis