Illustration for Why Your Legs Won't Sleep: The Science of RLS and Limb Movements
Body Chemistry

Why Your Legs Won’t Sleep: The Science of RLS and Limb Movements

Restless Legs Syndrome (RLS) and Periodic Limb Movements (PLMS) are complex neurological disorders linked to iron deficiency and dopamine dysfunction. This guide explains the latest research on triggers like antidepressants, the connection to heart health, and why treatment guidelines are shifting away from dopamine agonists.

· 10 min read
Body Chemistry

Can Supplements Slow Down Your Liver’s Aging Clock?

A year-long study of 51 adults found that a multi-ingredient supplement was associated with reduced biological age in the liver and lungs, as measured by epigenetic clocks. But with no placebo group and mixed results across different aging markers, the findings are preliminary and need further confirmation.

· 11 min read
Body Chemistry

GLP-1 Weight Loss Drugs: What Real-World Results Actually Show

GLP-1 weight loss drugs like semaglutide and tirzepatide show real promise, but real-world results often fall short of clinical trial numbers. A 2025 review reveals that adherence is the key factor, with half of users quitting within a year, and explains what we know about side effects.

· 12 min read
Fitness

Blood Flow Restriction Training: What the Research Says

Blood flow restriction training uses inflatable cuffs and light weights to try to build muscle without heavy loads. Recent studies show it works about as well as standard rehab or heavy lifting, but not better. It may be most useful when heavier exercise is not an option.

· 11 min read