Yes: You need to replenish what you are losing, otherwise, you will dehydrate. Sweating can be the obvious sign of water lose, but when you breath more deeply during exercise, you also lose a lot of moisture in breathing.
Answered 9/19/2013
5.7k views
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question