Nine U.S. states reported record increases in Covid-19 cases over the last seven days, mostly in the upper Midwest and West where chilly weather is forcing more activities indoors.

Seven U.S. states reported record one-day increases in Covid-19 cases so far in September even as the average daily number of new infections is falling nationally.

Insights into former president Richard Sackler’s control of Purdue Pharma and his aggressive stance on marketing OxyContin were revealed when internal company documents were unsealed following a four-year court battle in Kentucky.

Doctors in Kentucky reported that two of four paralyzed patients were able to walk again with limited assistance after treatment with electrical stimulation to the portion of the spinal cord cut off from the brain, combined with intense physical therapy.

Kentucky’s attorney general sued Walgreens Boots Alliance Inc., accusing the company of playing a role in propagating an opioid epidemic in the state.

Kentucky accused units of Endo International Plc of contributing to drug overdoses and an opioid epidemic by deceptively marketing its painkiller Opana ER, the latest lawsuit by state or local governments against the drugmaker.