3.1 Chemical Hazards. 3.1.1 Hazard Categories. The construction, operation, and maintenance of DND-CATs facilities and the conduct of experiments there involve the use of numerous substances that pose hazards. Those hazards can occur during or result from:
If you have diabetes, you may need to better control your blood-sugar levels. If the pins and needles only appear when you sit in your favorite position, you may need to find a new way to sit. A proper diagnosis by your podiatrist can prevent the tingling feet from returning. Talking to Your Doctor
Summary. ' 1 Pins and needles' are a sensation of uncomfortable tingling or prickling, usually felt in the arms, legs, hands or feet. 2  A common cause is leaning awkwardly on an arm or leg, which presses against the nerves. This resolves quickly when normal posture is restored.