Melatonin : a. hormone produced by the adrenal cortex
b. somatotropin
c. pancreatic hormone that regulates glucose metabolism
d. hormone produced by the adrenal medulla
e. hormone from the pineal gland

In 1996 california legalized the medical use of marijuana, even though it was still illegal under federal law. californians angel raich and diane monson used medical marijuana that they grew on their own property. when federal agents destroyed their plants, monson and raich sued, claiming, among other things, that the commerce clause did not permit the federal government to regulate activities that took place in their back yards and homes. the federal government argued that since consuming locally-grown marijuana for medical purposes affects the interstate market for marijuana, the federal government may regulate—and prohibit—such consumption. whose argument should prevail?

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate