Not only does Tagamet HB prevent heartburn before it starts, but it also safely controls the production of stomach acid for hours and hours -- something antacids, such as Mylanta(R) and Maalox(R), can't claim.
A sedentary person just beginning circuit training that exercises three to four days a week at a moderate-intensity should begin to notice some initial improvement in aerobic endurance within one to three weeks, according to the American College of Sports Medicine.
The length of time it takes depends on what kind of course you decide to take. There are a couple of online courses that only take 4 weeks. Most workshops take about 6 weeks but can last up to a year. Many certification programs take 6 months to one year to complete with courses and the required test. Degreed courses, naturally, take 2 to 4 years depending on the type of degree you are trying to get. In terms of the basic certification, which is called the CPT (Certified Personal Trainer), you have 3 hours to complete the test.