You probably know the feeling of sweat trickling down from your armpits on a super hot day, or when youre all jittery before a big meeting or presentation. And thats normal! But for some, a hot day ...

For years, Ahmed Ali, a 39-year-old media professional, grappled with an invisible but disruptive condition — excessive hand sweating, medically known as palmar hyperhidrosis. What many dismissed as a ...