What symptom is an indicator of nicotine withdrawal? water retention
O muscle twitching
O chronic headaches
musculoskeletal system

i'm pretty sure questions like these aren't allowd.   but, sure.   i can and talk : ))

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.