These people often have tingling and numbness in the feet as well. Many people complain that their feet are overly sensitive to touch (hyperesthesia) and can have varying degrees of burning pain. It can range from mild to disabling. Diabetes and alcohol abuse are by far the most common causes of neuropathy in the legs.
Q: what cause macbook pro battery swelling? Apple battery packs contain a set of 6 lithium Ion (Li-Ion) cells (the metal covered envelopes), connectivity circuitry, and a small logic board. The main cause for battery cell swelling is what is known as thermal runaway. If a cell reaches a certain temperature then a chemical in the cell (usually Cobalt Oxide for Lithium Ion batteries) starts an unintended reaction which is exothermic in nature (i.e. it creates heat).
Save. Jupiterimages/Polka Dot/Getty Images. Batteries of all types have the potential to leak a powdery (sometimes clumpy or thick), white substance called potassium hydroxide. While most batteries are used and disposed of before ever representing a problem, very old or damaged batteries are prone to leaking. Potassium hydroxide can cause chemical burns and other health-related symptoms if exposed to the skin, mouth or eyes.