

Study Finds Surprising Differences in Knee Injuries Between Men and Women
12/30/2025 | 8 mins.
A 2025 analysis of over 13,500 knee MRI scans revealed that men have more anterior cruciate ligament (ACL) tears overall, including ACL plus meniscus combinations, contrary to earlier data focused on female athletes Men under 40 were more likely to have trauma-driven medial collateral ligament (MCL) and meniscus injuries, while women over 40 had a higher rate of degenerative MCL and meniscus damage These patterns suggest trauma dominates in male injuries, while age-linked tissue breakdown plays a bigger role in older female patients These results can aid clinicians and radiologists in recognizing patterns of injury so they can tailor imaging protocols, risk assessments, and early intervention strategies for patients Researchers say these gender-specific patterns may change the screening, prevention, and rehabilitation for knee injury across lifespans

Why Arthritis Gets Worse in the Winter Months
12/30/2025 | 6 mins.
Cold weather worsens arthritis symptoms by thickening joint fluid, slowing blood flow, and tightening muscles, which amplifies pain and stiffness Drops in barometric pressure cause tendons and muscles to expand, adding extra pressure to already inflamed joints and increasing discomfort Reduced sunlight during winter lowers vitamin D levels, weakening bones and increasing inflammation, while inactivity further restricts circulation Eliminating seed oils, boosting vitamin K2, optimizing vitamin D, and sipping warm bone broth help reduce inflammation, strengthen cartilage, and restore flexibility Daily movement, heat therapy, and sunlight exposure keep joints lubricated, improve circulation, and help you stay active and pain-free all winter long

Meal Fat Content Influences Muscle Building After Exercise
12/30/2025 | 6 mins.
Low-fat protein after exercise delivers amino acids into your bloodstream faster, giving your muscles a stronger signal to repair and grow High-fat meals slow digestion and weaken your muscle-building response, even when the total amount of protein is the same A stronger and faster leucine surge from lean protein helps activate muscle repair more effectively, improving your recovery window Higher daily protein intake — around 0.8 grams per pound of ideal body weight — supports better muscle gain, fat loss, bone strength, and metabolic stability Simplifying your post-workout meal and choosing low-LA, low-fat protein sources help you recover more quickly and get better results from every training session

Metformin Could Lessen Some of the Benefits People Get from Exercise
12/29/2025 | 8 mins.
Metformin is a widely prescribed Type 2 diabetes drug that works by lowering liver glucose production and improve insulin sensitivity A 16-week Rutgers trial in 72 adults found that metformin dulled exercise benefits, reducing the usual improvements in aerobic fitness Long-term risks for prolonged metformin use include vitamin B12 deficiency, rare lactic acidosis, and hypoglycemia Skipping breakfast, not getting enough sleep, consuming too much alcohol, and social isolation can greatly disturb glucose regulation and increase the risk of developing diabetes over time Lifestyle strategies such as consistent movement, and a bioenergetic, nutrient-dense diet can support insulin sensitivity. Berberine may also help to slowly wean you off metformin medication

Butyrate — The Gut-Brain Axis Connector That Influences Mood and Cognition
12/29/2025 | 7 mins.
Butyrate, produced by gut bacteria when they ferment dietary fiber, acts as a signaling molecule in the gut-brain axis, influencing stress, pain tolerance, immunity, and brain health Through multiple mechanisms, including specific enzyme inhibition and NF-ÎşB pathway regulation, butyrate reduces neuroinflammation and protects against neurodegenerative conditions like Alzheimer's and Parkinson's disease Butyrate influences key neurotransmitters including GABA, serotonin, and dopamine, while also increasing brain-derived neurotrophic factor (BDNF), which supports neuronal growth and cognitive function The vagus nerve serves as a communication highway between the gut and the brain, transmitting signals about butyrate levels that affect mood regulation, stress response, and immune function Optimizing gut health through dietary fiber and homemade fermented foods helps promote butyrate production and maintain a healthy gut-brain connection



Dr. Joseph Mercola - Take Control of Your Health