Melatonin overuse is becoming increasingly common, and experts warn that high or prolonged doses can cause hormonal changes, ...

While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, ...

This popular seasonal spice is generally safe when added in small amounts to beverages and baked goods, but it may lead to some unwanted and potentially serious side effects if consumed in large ...

Caffeine offers some real health benefits—but not if you go overboard. Here’s how coffee, energy drinks, and other caffeine ...

Clinicians may fail to recognize common side effects of drugs like gabapentin—which are frequently prescribed for nerve ...

HIV treatment has delivered life-altering advantages. Antiretroviral therapy has led to a reduced mortality and improved life ...