Explanation: Well, A healthy balanced diet will help you build strong bones from an early age and maintain them throughout your life. You need sufficient calcium to strengthen your bones and vitamin D to help your body absorb calcium. The bones become porous and fragile, the skeleton weakens, and the risk of fractures greatly increases. ... In younger and older adults, a nutritious diet helps preserve bone mass and strength. And in those who have had a fracture, it speeds and aids recovery and reduces the risk of having another fracture.
The answer is A. Smoking cigarettes
While most of these would cause a risk lung cancer, they are not voluntary. You can't control air pollution or a family history of lung cancer. However, you can control smoking cigarettes and you chose to smoke them so that would be a voluntary risk of getting lung cancer.
I hope this helped. Best of luck. Thanks for using Brainly!
The carotid baroreceptors become less active, venous return is decreased, heart rate is reflexively elevated, and reflex vasoconstriction of peripheral blood vessels occur.
