For example, doctors use some stimulants to treat disorders such as Attention-Deficit/Hyperactivity Disorder (ADHD). However, when abused, stimulants can pose serious health risks to your brain and your body. Read on to find out the effects of the following stimulants: Cocaine.
peptide hormones (pepËÂ·tÄ«d hÅrËÂ·mÅnz), n.pl water-soluble hormones comprised of a few amino acids that introduce a series of chemical reactions to change the cell's metabolism. Examples include hormones of the pituitary gland and parathyroid glands.
The Definition of the Protein Hormone. The insulin you release after eating is a protein-based hormone. Photo Credit sandwich image by e-pyton from Fotolia.com. Hormones are molecules that your body uses for communication, often between organs in different organ systems or over long distances in the body.There are two major types of hormones: steroid hormones and protein, or peptide, hormones. hormone is a molecule that a group of cells releases into the bloodstream. The hormone then travels throughout the body, explains Dr. Lauralee Sherwood in her book Human Physiology, and is sensed only by target cells with receptors.