Even though most exhaust manifolds are made of cast iron or stainless steel, they are not indestructible. Over time, they can crack due to constant, extreme temperature fluctuations, leading to ...

Cracking your own back won’t cause any health issues if done correctly. you do it safely and not too often. Stretches and exercises may help your spine, and heat or ice can help with pain. You may ...

Try these 10 moves to help you crack your back. You won’t even need equipment for most of them. Also, view a video demonstrating some of the moves in greater detail. When you “crack” your back, you’re ...

Healthy nails are smooth, with no spots or discoloration. They don’t have pits or grooves, although they may have vertical ridges. Nails that are cracked, split, or brittle can sometimes be a sign of ...