Poor circulation in the legs affects millions of people worldwide, causing uncomfortable symptoms like cramping, swelling, numbness, and fatigue. While many factors contribute to circulation problems, ...

Researchers have discovered a new cell type that could aid in tissue regeneration or repair. The findings have been reported in Nature Communications. Some immune cells called macrophages reside in ...

The shape of sickle cell blood cells resembles a curved blade knife called a sickle. These cells are stiff and inflexible, so they cannot move through small blood vessels as easily as healthy red ...

Scientists have presented a model that elucidates the chain of physical processes driving interannual Hadley cell expansion in the Northern Hemisphere. The Hadley circulation is a key atmospheric ...

Medically reviewed by Jane Kim, MD Key Takeaways Painful cramps in the legs that get better with rest can be a sign of poor ...