 And that happens when the humidity is so humid, you actually, you can't, you can't sweat. And that's a problem because if you can't sweat to cool down the body, your heart has to work so much harder on a daily basis. And especially during the summer months. So I think hydration is absolutely the key. Staying out of the direct sun is number two. Making sure if you have a heart condition, make sure that you take your medications regularly.