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.
Muscles are connected to the bones through tendons
You experience an increase in the level of body fat and a decrease in muscle mass tooo
A. Stress
Stress can effect you in multiple ways. Including sleep.
B. Traffic Safety
Good luck!