WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms numbness or tingling (scalp), numbness or tingling (jaw) and restless (tossing and turning) sleep including Peripheral neuropathy, Vitamin B12 deficiency, and Multiple sclerosis.
Light is one type of radiant energy. Sunshine is radiant energy, which provides the fuel and warmth that make life on Earth possible. Heat travels from the sun by a process called radiation. Radiation is the transfer of heat by electromagnetic waves.
Among the rays coming from the sun, the FIR waves are the safest and the most beneficial. Radiant heat is simply a form of energy that heats objects directly through a process called conversion, without having to heat the air in between. Radiant heat is also called infrared energy (IR).