Risk for developing lung cancer for smokers varies due to all of the following except
a. factors like frequency of smoking and age of starting smoking.
b. variations in depth of inhalation of cigarette smoke.
c. other lifestyle risk factors.
d. inconsistently collected data.

Describe the potential effects, on people, of unprotected exposure to the sun.give an example of 1 new thing have you learned about the sun’s uv rays.

In which way does nicotine cause addiction? by stimulating the brain’s pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Analyze the impact of the availability of health services in the community and the world. research various school and community health services for people of all ages such as vision and hearing screenings and immunization programs. identify situations requiring professional health services for people of all ages such as primary, preventive, and emergency care.