There are two types of human immunodeficiency virus: type 1 (HIV-1) and type 2 (HIV-2). HIV–1 is the most
Congratulations on been 6 weeks pregnant! At this stage, your little one continues to develop the
Congratulations on been 5 weeks pregnant! Week 5 of pregnancy is a common time for moms-to-be
Good news, you already enter the last stage of your pregnancy. Welcome to the third trimester!
Oxygen is the most abundant element on the Earth’s surface and is critical for chemical reactions that keep the body alive, including the reactions that produce adenosine triphosphate (ATP) (a complex organic chemical that provides energy to drive many processes in living cells). Nearly all of the