‘I don’t think anybody wants to add yet another thing to the list of cancer-causing chemicals that we’re subjected to,’ says Caroline Cox, study director at CEH, as quoted by the SAN FRANCISCO BAY AREA Gate. ‘There’s lots of ways to make shampoo without it. This is one we don’t actually need.’.. Cancer-causing chemical found in nearly 100 common soaps and shampoos: Study If you are using store-bought, conventionally-formulated shampoos, conditioners, body washes and other similar personal care products on a regular basis, you could be exposing yourself to high doses of a cancer-causing chemical that few people are even conscious exists.Because exercises like this are likely to use a wide variety of muscle groups. Running, in itself, works about every muscle simply, even if a few of them are simply being used lightly. Swimming works all of the muscles about equally actually, but there isn’t enough resistance to really create an intense burn off like from weights. So with multiple weight lifting exercises it is possible to work every muscle within your body to maximum exhaustion, thus creating the most impactful workout for muscles gain and weight loss. If you are working for muscle gain, be sure you are getting a protein shake before and after every single exercise. If you are attempting to lose weight just drink one proteins shake then, before the exercise.