Which of the following statements is true? by 2020, more than half the population will be age 65 or older. the proportion of the u. s. population over the age of 65 has dramatically increased over the past 100 years. scientists and doctors are confident that by 2020, preventative treatments will prevent menopause. all of the above.

Scientists and doctors are confident that by 2020, preventative treatment will prevent menopause

Explanation:

The third statement is true because unlike the others, it consists of a group of medical professionals who believe something will happen.  The other statements are stating the this will happen, without supporting any evidence.

take a break move to stretching and slowly work back into physically exercising if the problem continues go to a doctor or physical therapist