Niacin shows up in most energy drinks, often in huge doses. Here's what it actually does, why it's added, and whether those amounts are safe to consume.
Bronchiectasis can cause lung nodules, often linked to bacterial infections. Learn what this means for your health and when nodules need further evaluation.
Age matters less than overall health when it comes to kidney transplants. Here's what older adults should know about eligibility, outcomes, and quality of life.
Mitochondrial biogenesis is how your cells grow new mitochondria. Learn what triggers it, why it declines with age, and how exercise and diet can help.