Wear & tear on my c5&c6 was found. would that cause pain or numbness in my shoulders or headache?

Can't answer for you: While cervical disc problems can cause headaches, especially in the back of your head and radiation o pain to shoulder can occur , the specific answer identifying the cause of your pain requires an evaluation by a specialist, a neurologist, neurosurgeon or orthopedic surgeon needs to examine you to determine what causes your problem.

Yes: Welcome to the middle ages! ddd of c5-6 is a normal process of aging and doesn't guarantee symptoms. Nonetheless, the numbness into the shoulder(s) would go along with irritation of the C5 nerve which could be affected in this area. Headaches are usually of the muscle-tension type and likely related. If not worsening, no worries. Try nsaid's, pilates/piyo/yoga, ice/heat pt mckenzie rx if no better.