Some household products use enzymes to speed up chemical reactions: enzymes in biological washing powders break down protein, starch or fat stains on clothes, and enzymes in meat tenderizer break down proteins into smaller molecules, making the meat easier to chew.nzymes differ from most other catalysts by being much more specific. Enzyme activity can be affected by other molecules: inhibitors are molecules that decrease enzyme activity, and activators are molecules that increase activity.
EMLA cream, a topical anesthetic, has been evaluated as a treatment option for premature ejaculation. One double-blinded RCT (N=29) showed significant improvement in the IELT (measured by stopwatch by the subjectâs partner) from baseline compared with placebo (8.45 min vs 1.95 min; P<.001) at 2 months.
Mifeprex is used after a woman is already pregnant. Plan B One-Step is an emergency contraceptive. It is used to prevent pregnancy. While some people do feel that pregnancy begins at the time of conception, many doctors and the FDA do not describe Plan B One-Step as an abortion pill but as emergency contraception.ach pill contains levonorgestrel, a synthetic version of the hormone progestin. Levonorgestrel has been used in birth control pills for over 35 years. Plan B One-Step contains a higher dose of levonorgestrel than that in regular birth control pills.