2. A smell of fish or urine at home for no apparent reason
If you can’t detect the source of the smell, it is probably electric wires melting. This situation can lead to a fire or even an explosion. The best option is to cut off the electricity until the cause has been clearly found.
3. Rip current
If you accidentally find yourself in a rip current, it is completely useless to swim against it to the shore — you will only waste your energy. Try to swim parallel to the shore until you exit the current, and only then swim toward the shore.
4. Aspirin during a heart attack
Just one pill of aspirin can seriously improve how you feel. The person having the heart attack should lie down immediately and put something under their head or sit down and then take the pill. In order for it to work sooner, it should be chewed very well.
5. Diagnosing a heat stroke
The most obvious symptoms of a heat stroke are dizziness and nausea, but they can appear for other reasons too. In order to know for sure, you should eat something sweet, like candy. If the taste seems unpleasant, this is a heat stroke. For people who have any cardiovascular disorders, it is vital to determine the reason as soon as possible and get the right help.