Ceramic, steel, and polyethylene are the main materials used in body armor plates, each with different protection levels, weight tradeoffs, and lifespans.
Severe obesity starts at a BMI of 40, but there's more to the picture. Learn the health risks, how common it's become, and what treatment usually involves.
Emotional fitness goes beyond mental health—learn the four core skills and practical ways to strengthen how you handle stress and difficult feelings.