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An outbreak of drug-resistant typhoid in Pakistan has prompted an emergency vaccination campaign. The bacteria 鈥� spread by infected food and water 鈥� is becoming harder to treat because of antibiotic resistance. There is a brand new vaccine against typhoid which can be used to protect children as young as 6 months old.

On New Year鈥檚 Day California became the sixth state in the United States to legalise marijuana for recreational purposes. With an estimated potential market of $7 billion, it鈥檚 big business. The drug is being sold in brownies and gummy bears 鈥� not just in tobacco and oils. We sent reporter Alison van Diggelen along to a 鈥渉igh tea鈥� 鈥� and to ask an addiction expert about the potential risks of taking the drug. He says people with pre-existing conditions like depression and schizophrenia should not take the drug.

Which side do you hug on? German scientists watched thousands of people embracing at airports - in both arrivals and departures - to see if emotion influences the way we hug. Most people hug to the right 鈥� with their right arm on the recipient鈥檚 shoulder, and their head to the left. But when people were feeling emotional, some shifted to the opposite side.

(Photo: Paksitani children at risk of typhoid. Credit: Getty Images)