You won't need any equipment or a doctor's visit to check your health with these simple tests.
You can spend them at home and they won't take more than a minute.
These simple ways will help you better understand your body and not miss the first signs that some kind of failure has occurred.

Parkinson
1. Raise your hand palm down and place a sheet of paper on the back.

So you can notice any abnormal tremor. Having a slight tremor is normal, especially if you hold your hand long enough. However, a stronger tremor in the arm can indicate elevated caffeine levels, low blood sugar, anxiety, and even early-stage Parkinson's disease.
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