Shoulder instability occurs when your shoulder joint (ball and socket) has lost is normal alignment (ball resting symmetrically in the socket), which causes your arm to lose its support. The most ...

Technology and politics are conspiring to make the world dangerously unstable. The result: War and nuclear escalation are becoming more likely. These are the summary conclusions of a diverse group of ...

Your hip is a deep ball-and-socket joint where your thigh bone fits securely into your pelvis. When you have hip instability, your thigh bone may feel like it doesn’t fit into the hip socket securely.

The Middle East has suffered from protracted instability in recent decades, and climate-related disasters compound existing suffering. Marwa Daoudy argues that the United States and its partners ...

When families don't have stable housing, their risk of struggling with poor health outcomes and material hardships, such as food insecurity, increases, according to a new study. Researchers surveyed ...