As we age, our ability to adequately respond to summer heat can become a serious problem. Older people are at significant increased risk of heat-related illnesses, known collectively as hyperthermia, during the summer months. Hyperthermia can include heat stroke, heat edema (swelling in your ankles and feet when you get hot), heat syncope (sudden dizziness after exercising in the heat), heat cramps, and heat exhaustion.

Read the tips from the National Institutes of Health on what to do if you suspect someone is suffering from heat-stroke, as well as which health-related factors could cause issues:

https://www.nih.gov/news-events/news-releases/heat-related-health-dangers-older-adults-soar-during-summer