Harvard Health Content API

Erectile changes can arise for many reasons over time, including shifts in health, lifestyle, aging, or other medicines being taken.

Mononucleosis can affect more than energy levels. Activity choices matter during illness, especially when the spleen may be enlarged.

Blood type compatibility matters during transfusions, and an Rh mismatch can create risks that may not appear immediately.

Sudden changes in speech, balance, and coordination can signal an urgent health concern, especially when they fade quickly or recur.