Remember, you canât out-exercise a bad diet so if youâre eating too many calories each day, it doesnât matter how much walking youâre doing since you will not be able to burn it all off. So, focus more of your attention on the foods youâre eating.
1 Keratosis pilaris causes numerous small, rough, tan or red little bumps around hair follicles on the upper arms, thighs, buttocks, and cheeks.  Keratosis pilaris creates the appearance of gooseflesh, goose bumps, or chicken skin.
8. A Brain Tumor Is a Rare Cause of a Numb Arm. Relax -- brain tumors are quite unusual. While it's important not to panic at the first sign of a numb arm, it could be caused, in some very rare cases, by a brain tumor. A brain tumor can cause loss of sensation and movement in an arm.