Hi I am a 51 yr old female veteran of US army no medications whatsoever Two days ago and ever since I have felt numbness in my right thumb back of hand I feel weakness when holding a heavy plate or mug of coffee I am a smoker about ten per day Kindly offer topics of research. Many thanks
Numbness in thumb is usually due to the decrease of blood supply in this area. There are many reasons for this like carpal tunnel syn Chat Doctor.  Due to smoking also your nerves get weak and this problem occurs. So in such I would recommend you to consult some euro physio who can diagnose it and can give you the exact reason for numbness.  In the meantime to get relief from this let me recommend you some home treatment:1. Take warm water in a small tub or bucket. Place your hand in it for 5 - 10 minutes and then using other thumb massage your affected area. As it will increase the blood flow of the numb area and give your relief.2. After taking above hot fermentation perform some exercises like: Elevate your hand and then make a fist and open it, use spongy (Emily) ball press it tightly as much as you can and then release, you can also do finger counting exercise with thumb, and tie a rubber band over thumb and then stretch it by doing flexion, abduction movements.3. Once done with the exercise relax yourself by keeping your hand in elevation position for 10-15 minutes. Please take some precautions:1. Avoid