When acyclovir is used to prevent outbreaks of genital herpes, it is usually taken two to five times a day for up to 12 months. Take acyclovir at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
A hormone is a chemical substance which helps regulate processes in the body. Hormones are always secreted by glands and travel in the bloodstream.Hormones are usually for one organ (often called the 'target organ').A Hormone can also be described as a chemical 'messenger'. hormone is a chemical substance which helps regulate processes in the body. Hormones are always secreted by glands and travel in the bloodstream. Hormones are usually for one organ (often called the 'target organ'). A Hormone can also be described as a chemical 'messenger'.
Ghrelin is a hormone that is produced by the stomach when it is empty. Ghrelin travels through the bloodstream to the brain where it stimulates neurons in the hypothalamus to signal hunger. For this reason, ghrelin is often called the hunger hormone.. But researchers now know that ghrelin has many other functions in the body.