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.
Dry air is good, but wringing moisture from the air is energy-intensive. Keeping your indoor humidity low is generally a good idea. During the winter, lowering the indoor humidity is easy (and relatively cheap): all you have to do is operate a ventilation fan. If you bring in cold outdoor air, the outdoor air will be dry. (Cold air canât hold much moisture.) The longer you run a ventilation fan, the lower your indoor relative humidity.