Describe some of the characteristics which would make individuals more vulnerable to the affects of alcohol

weight can affect absorbtion rate as well as the rate you are drinking it. If you drink it slower than you will be more affected by it.

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise

d would be your answer