You should change your workout between 4-6 weeks because a workout works with your muscles to losen them once you have gotten your results in about 4-6 weeks you’ll be doing the same workout for nothing you can change your workout by doing things for your core or legs or by doing different workouts for the part of your body your working out.
Vaccinations were first used in the year 1796.
A. Retrograde
B.Anterograde
Hope this helps, please mark as brainliest
True, For example you have to eat healthy and not do drugs in order to function correctly and not be affected by these things
