Are stress and heart disease related? Does stress increase the risk of heart disease? Stress is a normal part of life. But if left unmanaged, stress can lead to emotional, psychological, and even physical problems, including heart disease, high blood pressure, chest pains, or irregular heart beats.
SWIMMING AND WATER TEMPERATURE INDEX. 1  Hereâs our full index we use to offer a guide to water temperature and comfort level for swimming. This is a guide only and in no way should be used to dictate how long to spend in water. 2  Water Temperature of the Sea Below 0Â°C (32Â°F) 3  Water Temperature of the Sea Below 8Â°C (46Â°F) For swimming this is considered very cold and even the most hardy among us would be foolhardy to venture in for a swim and risk hypothermia if exposed for any more than a few minutes.
â¢ Try not to sunbath for too long, you might catch sunburn. â¢ Halong Bay water is pretty warm during winter so feel free to swim or dive from your junk, however, try to cover yourselves immediately when you are done with the swimming because you might catch a cold. Always swim in a group of at least 3-5 people. Remember to warm up properly. â¢ Researchers say swimming ability is severely decreased in cold water so no matter how confident you are at you swimming, try not to swim too early in the morning or too late in the afternoon.