People Who Suffer Depression And Anxiety After A Traumatic Brain Injury May Have Damaged White Matter. Jun 16, 2015 12:00 AM By Ed Cara @EdCara4. Researchers from the University at Pittsburgh Medical Center may have figured out why people suffer depression and anxiety after a concussion.
How to Read Speed Rating, Load Index & Service Descriptions. Using a P195/60R15 87S tire size as our example, the 87S at the end of the size represents the tire's service description. A service description identifies the tire's load index and speed rating.
The speed rating of a tire varies according to vehicle, and itâs important to choose a safe rating. Many vehicles provide a minimum required speed rating, which should be considered when buying tires since a lower speed rating can be potentially dangerous because itâs not made to withstand the same speeds.