Research shows couples average sex about once a week, but frequency varies a lot by age, kids, and relationship length. Here's what the data actually says.
Over a billion people worldwide live with a disability. Explore US and global stats, including invisible disabilities, racial gaps, and Long COVID's growing impact.
Your lungs are self-cleaning, but techniques like huff coughing, hydration, and exercise can genuinely help. Here's what the evidence actually supports.
Porn addiction is a contested concept, but problematic use is real. Here's what the science says about its effects on the brain, relationships, and mental health.
Type 2 diabetes develops from multiple interacting causes, including insulin resistance, body fat, genetics, and lifestyle factors. Here's how they connect.