I don't know what the 1.6 means but if an individuals skin has a rash,itching or bubbling these should be reported or one should see a doctor, these can be a cause of a allergy or wrong medication.
Very slowly. if training with weights, about 2 or 3 seconds to life and slowly back down.
No it cannot. All it will do is build muscle which= 0 flexibility and also the muscle you build will eventually turn to fat if you stop working out.
2,3,4, are right 1 is incorrect as far as I can tell
