MARYLAND HEIGHTS, MO (KTVI-FOX2now.com) - Did you know that your sense of smell or the length of your finger can affect your health? What if your legs are stocky or you have a hard time touching your toes? Dr. Gayathri Raman with St. Louis Medical Clinic explains more about fun body facts and what your body parts might be telling you about your future health?

*FINGER LENGTH-if index finger is shorter than ring finger twice as prone to osteoarthritis in knees. precautions: strengthen muscles around knees

*LEG LENGTH-if leg are stocky, you may need to take better care of your liver precaution: limit alcohol intake

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*SENSE OF SMELL-older adults who couldn't identify the scent of bananas, lemons, cinnamon ...were five times more likely to develop Parkinson's disease within four years. precaution: pop fish oil supplements. Boost your brain's resistance.

*ARM LENGTH-women with short arm spans were 1.5 times more likely to develop Alzheimer's precaution: paint or do pottery

*EARLOBE CREASE-a crease on one raises risk by 33% both by 77%... precaution: keep heart healthy, slim down and exercise

*JEANS SIZE--larger abdomens in 40's are up to 3.6 times as liekly to develop dementia in 70's..even if weren't overweight. precaution: eat portion control Mediterranean style diet

*CALF SIZE-small calves tend to develop more carotid plaques...a known risk factor for stroke. precaution: sip green tip