The research, which scrutinised millions of medical records, highlights a potential three- to five-fold increase in risk for regular cannabis users.

Kalume Kitsau confessed and pleaded guilty to a charge of trafficking 122 rolls of bhang worth Sh201,300.

Officers also seized 500 kilograms of marijuana in a lorry in Nguni on the Mwingi-Garissa highway.

In the Swallows area of Kilifi South, George Nitti, 37, and Raphael Mbithi, 37, were found in possession of 477 kilograms of marijuana, valued at appr...