D. Headaches and elevated blood pressure.
Arthritis is caused by your immune system attacking your joints (rheumatoid) or overuse of the joints (osteo.) Carpal tunnel is caused by overuse of the hands. Hearing and vision loss can be caused by quite a few things, but old age is a common cause. Dental cavities are a combination of not/incorrectly brushing your teeth and other factors like eating too much sugar. Bone loss could be a calcium deficiency.
Twice as old as" means we will be multiplying by 2. "her cousin" - we need a new variable C to represent her cousin's age. "was three years ago" - 3 years ago means we will have to subtract 3.
Walking Take a rest. no weight lifting this prevent
