Three areas of concern...not sure if related Shortness of breath ascending stairs primarily Pain in lower back (keeps me awake even using a pillow under knees) Difficulty recently going up and down stairs in particular with a thick feeling almost painful below knee in back of leg I am almost 65, female, physically quite fit (walk and hike 10000 steps a day generally), don t smoke, am probably under more stress than positive, drink 1-2 coffees a day, generally 1-2 glasses of wine in evening Blood pressure higher than ideal 138/91 What s happening? Thank you!