めまい
aged person
attention
danger
direct sunlight
elderly
elderly person
health
heat
heat stroke
heat stroke measures
heat stroke prevention
high temperature
high temperature disorder
hot
hot weather
humidity
illness
illustration
man
men
middle age
midsummer day
old man
older person
outdoor
physical condition
poor physical condition
senior
senior citizen
summer
sun
sunlight
sunny
sunny weather
sunstroke
sweat
sweating
symptoms
temperature