India, Feb. 16 -- Coffee is a non-negotiable morning beverage for many due to the energy boost it provides and its ability to fight off morning grogginess. While the caffeinated drink does help combat lethargy, it may have unintended side effects if precautions are not maintained, particularly when consumed on an empty stomach. Dr Rohan Goyal, founder and regenerative medicine specialist at Nuvana Healthcare, reveals, "Caffeine energises the nervous system and temporarily increases cortisol and adrenaline levels." Elaborating further on how it increases joint sensitivity, he says, "For people dealing with inflammation, dehydration, poor sleep, and pre-arthritis signs, this can add to stiffness and pain." Dehydration is another factor that is often overlooked. "Low hydration can lead to a reduction in the cushioning between the joints and pain getting more severe," the doctor shares. He also reveals that coffee intake can interfere with calcium absorption, which can be debilitating and may affect bone density....