Caution is needed if you are not used to a hot and humid climate (a constant but not necessarily hostile factor), and often requires a little extra planning when heading out on tour, trekking, or just lazing by the pool.
Heat and humidity aren't a health issue even if you aren't sensitive to them.
mnli hypothesis: Heat and humidity aren't a health issue even if you aren't sensitive to them. premise: Caution is needed if you are not used to a hot and humid climate (a constant but not necessarily hostile factor), and often requires a little extra planning when heading out on tour, trekking, or just lazing by the pool.