What was the sitcom that made fun of 90210 with Dylan and Brandon's sideburns?

Do those topical allergy blockers that you rub on the outside of your nose really work? What can someone do to obtain puberty at age of 20? Are STDs harmful? Menstrual cycle duration? If you're 17 days late and got some very light bright red bleeding for three days and the doctor said your hcg level was 0 could this be implantation bleeding and just not enough hcg yet? What is the number of world wide cases of the swine flu? Why do sociopaths have to have physical touching? Is it possible to throw up black vomit? What is crossed handeye dominance? What protein in the body defends viruses? 10 The tobacco industry spends 10 billion a year on? Lwhat is the dossage of Oil of oregano for sore throat? How is mumps transmitted? What are the locations of pulses? Why wear bras? Why do girls pass menstruation why not boys? Diseases as a result of hurricanes? Does endurance effect your blood pressure? What absorbs the water and minerals from the remaining undigested food? What are common types of driver distractions?