But amateur female athletes who train intensively can also end up running on empty and seeing their periods stop, or become irregular.

They added officers are working "very intensively" on the investigation.

The book notes that many U.S. farmers still intensively till cropland every year.

He added that the group was working “intensively” with Mexican and U.S. authorities to resume the inspection of avocados from Michoacán.

The protein known as JUN is being intensively researched as a possible driver of tumour growth.