i'm sorry to hear this. walking is excellent for your health. except when it causes exhaustion! if this is a new symptom i'd suggest you make an appointment with your primary care provider for an exam and some blood work. many things can cause these feelings of tiredness from seasonal allergies to anemia. only a medical professional can give you a good answer. if you just started a walking regimen and are feeling tired all day maybe it's because you're overdoing it. try starting with a 10-15 minute walk and then work up to longer time periods as your stamina increases. of course while walking is usually considered safe no one should start an exercise program without their doctor's consent. wishing you all the best!
after a 40 minute walk i feel tired. why.? . i am 62 yrs. old and go for a walk daily but i am feeling tired whole day. please help.