Yes, scabies does cause intense itching, which is often worse at night. However, some people with scabies may experience a condition called "notoedric mange," where the mites burrow into the skin without causing itching. In these cases, the infestation may go unnoticed for a longer period of time, leading to more severe symptoms. **

The itching sensation in the legs while running can be caused by a few different factors. One common reason is due to the increased blood flow and circulation to the legs during exercise, which can cause the nerves in the skin to become more sensitive and trigger the itching sensation. Additionally, sweat and heat buildup during running can also contribute to the itching sensation. Another possible cause is the friction between the skin and clothing or equipment, which can irritate the skin and lead to itching. Finally, some people may experience exercise-induced urticaria, a condition in which the body releases histamines during physical activity, leading to itching and hives. **

Yes, scabies does cause itching, but it may not always be constant. The itching is typically worse at night and can be very intense, leading to a rash and small red bumps on the skin. However, some people with scabies may not experience itching at all, especially in the early stages of infestation. Therefore, while itching is a common symptom of scabies, it may not always be present in every case. **

Yes, sunburn can cause itching as one of its symptoms. Sunburn occurs when the skin is damaged by excessive exposure to ultraviolet (UV) radiation from the sun, leading to inflammation and irritation of the skin. This can result in symptoms such as redness, pain, swelling, and itching. Itching is often a sign of the skin trying to heal itself after being damaged by the sun. **

Snakes do not experience itching in the same way that mammals do. They do not have the same type of skin and nerve endings that would cause them to feel an itch. Instead, snakes shed their skin periodically to allow for growth and to remove parasites, which may appear as though they are itching, but it is actually a natural process for them. **

The skin may itch during strength training due to a few reasons. First, increased blood flow to the skin during exercise can cause a tingling or itching sensation. Additionally, sweat and heat produced during exercise can also lead to skin irritation and itching. Finally, tight or restrictive clothing worn during strength training can cause friction and irritation on the skin, leading to itching. **

Insects can cause itching when they bite or sting because they inject saliva or venom into the skin, which can trigger an immune response. This immune response can cause inflammation, redness, and itching as the body tries to defend itself against the foreign substance. Additionally, the saliva or venom may contain proteins that are irritating to the skin, leading to further itching. **

No, your brain does not itch. The brain itself does not have sensory receptors for itchiness like the skin does. If you are experiencing an itchy sensation in your head, it is likely coming from the scalp or skin on your head, not from your actual brain. **