Headphones (or head-phones in the early days of telephony and radio) traditionally refer to a pair of small loudspeaker drivers worn on or around the head over a user’s ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the … [Read more…]
How Do I Get Rid of Hay Fever Naturally/Hay fever is a type of inflammation in the nose which occurs when the immune system overreacts to allergens in the air.[rx] Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes.[rx] The fluid from the nose is usually clear.[rx] Symptom onset is often within minutes following exposure … [Read more…]
Ultrasound Therapy is one of the most widely used physical modalities in the clinical practice of rehabilitation. In particular, therapeutic ultrasound in rehabilitation has a number of uses including the treatment of musculoskeletal disorders such as pain, muscle spasm, joint contracture, and tissue injury[rx,rx]. Therefore, it is now recognized as a major therapeutic method in … [Read more…]
Mobile Phones/Cell Phones is the fundamental element in every moment or second in our life. But this most useable phone has some health effect that are always ignores. If we become careful to use mobile phone , we can safe from the electromagnetic radiation in the microwave range (450–3800 MHz and 24-80GHz in 5G mobile). Other digital wireless systems, such … [Read more…]