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.
Hormones are classified based on their chemical structures. Peptide hormones are chains of amino acids . Insulin and glucagon, which help control blood sugar, are peptide hormones, as are the hormones of the hypothalamus and the pituitary gland. Steroid hormones are lipids (fatlike molecules) whose structures are derived from cholesterol.