"It's summer," Don said. "Some people will tell you it's not officially summer until the solstice, which is today, but don't listen to them. It's June. It's hot. It's already meteorological summer. And nature wants what? To kill you. Don't get me wrong, nature is meant to be enjoyed, but you must always respect its power. So today I want to veer away from the more unique dangers you might face in these parts and to things to watch out for particularly while having summer fun.

"Now, the first thing with heat is, if you're tending to someone who's gone down from it, you're probably in it, too, so: drink water, keep out of direct sunlight as much as you can, you know the drill. Mind your salt; that's an important one. You lose salt when you sweat, so you'll need to replenish that at some point, whether it's through a sports drink or potato chips. The next thing is, know the signs of heat stroke and heat exhaustion and the difference between the two. Heat exhaustion is a major concern that needs to be addressed ASAP. Heat stroke is a medical emergency. Someone who has heat exhaustion may be dizzy or weak, they may have a headache or nausea. They may pass out or throw up. They may be sweating heavily. You need to cool them down. Get them out of the heat if possible, and remove any unnecessary clothing. Give them cool water if you have it, or basically any cool liquid that's not alcoholic, because alcohol will dehydrate you. Caffeine isn't ideal, either, but if all you've got is a Coke then that's all you've got. Put cool compresses on them, or have them wash their face, neck, and hands with cold water. The blood is running close to the surface in the neck and hands, so it will help cool them as it recirculates. They should absolutely see a doctor. Calling 911 would be the correct choice if taking them to a clinic or ER yourself is not an option.

"If your patient has stopped sweating, their body temperature is very high--they feel hot to the touch, if you don't have a thermometer--if they're confused, maybe slurring their speech, maybe they pass out and don't wake up or they have a seizure: it's heat stroke. Do not stop, do not pass go, call 911. You have to cool them down as fast as possible, by whatever means are necessary. If that means soaking them with the garden hose or dunking them in an ice bath, that's what you've got to do. Don't give them anything to drink, though, because...remember what I said about seizures? Could be bad.

"Now, if you're at the beach, you might want to go in the water. Swimming is great. The ocean is dangerous. Even a small pool can be dangerous to the wrong person at the wrong time. You should never go into the water when you're intoxicated, or if you can't swim, even if it's to help someone else. That's just how you get two people in distress. But how do you identify someone who's in distress in the water? The media shows you someone yelling, waving their arms and calling for help, but that's not what drowning looks like. Someone who's drowning is more likely to be silent, with no extra breath to call for help, and bobbing up and down in the water rather than flailing. They may appear stiff and oddly still because they're trying so hard to stay afloat that they can't move. Once you've identified someone who's drowning, the first thing you should do, as in many emergency situations, is designate someone to call 911, because you want emergency services on their way as soon as possible.

"Once you've got your victim out of the water, you need to evaluate. If they're conscious, great. They still need to go to the hospital, because they may have inhaled water and that's bad. Lungs don't like that, unless you're the rare amphibious person like Namor. If they're not conscious, you may have to begin CPR, so let's handwavily go over how to do that, and then you can practice your CPR on the first aid dummy to the beat of an appropriate song. I like 'Stayin' Alive,' myself. Remember, doing CPR not perfectly is better than not trying CPR at all, and I can't speak for everyone but I'd rather have a broken rib or two than be dead." And he'd done both of those things!

"So." Don leaned against his desk. "Now that I've hit you with a ton of information, are there any questions?"