An eye exam every two to four years is important to prevent glaucoma. You should have your cholesterol measured every five years to prevent heart disease. If you're overweight, you should take a diabetes test every three years. To avoid tooth loss, get a regular deep cleaning beneath your gums twice a year. To avoid osteoporosis, you should have a bone density test done at least once.
Doctors also recommend a blood count or iron ferritin test.
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