1 Meniscal tear: Damage to a meniscus, the cartilage that cushions the knee, often occurs with twisting the knee. 2  Large tears may cause the knee to lock. 3  ACL (anterior cruciate ligament) strain or tear: The ACL is responsible for a large part of the kneeâs stability.
During the warmer months, the thermostat to an air conditioner should be set at 78 degrees Fahrenheit. If this is not comfortable, some experts recommend lowering the temperature to no less than 74 degrees to avoid high utility costs.
Remember, that is based on energy usage, not comfort-levels, which are the purpose of having an air conditioner, in my not-so-humble opinion. Fact: At night, the ideal temperature comfort range for Americans drops to 65 to 72 degrees Fahrenheit (or about 87 degrees if you are my wife).