From your primary care doctor to psychiatrists and psychologists, here's who can diagnose mental health conditions and how to choose the right provider for you.
African American ancestry spans specific ethnic groups across West and Central Africa, with threads of European, Native American, and modern African roots woven in.
Producers like plants convert sunlight into chemical energy through photosynthesis, though some organisms in extreme environments rely on chemicals instead.
Estimates vary widely, but disease killed far more Native Americans than warfare. Here's what historians and scientists actually know about the numbers.