Search results
Results from the WOW.Com Content Network
A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
The first stage of cold water immersion syndrome, the cold shock response, includes a group of reflexes lasting under 5 min in laboratory volunteers and initiated by thermoreceptors sensing rapid skin cooling. Water has a thermal conductivity 25 times and a volume-specific heat capacity over 3000 times that of air; subsequently, surface cooling ...
Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus ( myo- "muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease .
Here's how to tell when you do. ... “But if you are somebody who never gets headaches and suddenly have one, it could be an indication of an underlying condition, so you shouldn’t ignore it ...
While there’s no magic cure for the common cold, managing symptoms and giving your immune system a helping hand can make a big difference. Over-the-counter (OTC) cold medications help, but some ...
Onset of symptoms: Here, you start experiencing the first signs of a cold, such as a sore throat, sneezing, and mild fatigue. This stage marks the body’s initial immune response to the infection.
Symptoms of rhythmic movement disorder vary, but most share common large muscle movement patterns. Many show consistent symptoms including: [citation needed] body rocking, where the whole body is moved while on the hands and knees. head banging, where the head is forcibly moved in a back and forth direction.
When the weather starts to cool, a common question often arises: "Am I sick, or is it just allergies?" Here's what the experts say.