Answer:
Syphilis.
Explanation: Syphilis commonly causes chancres in the primary stage of infection. There are stages of syphilis, primary, secondary, latent and tertiary. Prolonged infection of syphilis can cause severe medical problems resulting in damage to the eyes, brain, nervous system and heart.
Answer:
having less estrogen experiencing more mental illness having weaker bones having a higher risk of some illnesses
Explanation:
when women get older and experience menopause the have a low sex drive they also end up having some mental illness like breast cancer and more they get bone loss also
Answer:
It can be, depending on what illness you have and you are worried about it. Then it can be considered a behavioral stressor.
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
the answer would be honesty