If you feel your tongue tingling for a long period, or if you have symptoms like itching or swelling of your tongue or general weakness, talk to your doctor immediately
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Remember, not everyone is lacking in vitamin D, and so taking supplements could be redundant for you if your body doesn't need it, however, eating foods high in vitamin D is beneficial and will contribute to maintaining stable levels of vitamin D throughout your life
Tang W, Kannan R, Blanchette M, et al
They can diagnose ED, determine its cause and recommend the most appropriate treatment for you