Guwahati, Jan. 29 -- Nick Davies, Glasgow Caledonian University and Sean J Gammon, University of Central Lancashire

Dreary weather, freezing temperatures, long dark days, no festivities to look forward to - it's beginning to feel at lot like the middle of January. The idea that there is a "Blue Monday" somewhere around the middle of the month where people feel most miserable may be a bit of a myth, but seasonal affective disorder is real enough. No wonder many people take off at this time of year in search of winter sun.

To lift your mood, however, you don't need to go as far as that. Plenty of us go for winter walks near nature, and for many that can mean a trip to the local coast. The health benefits of spending time near the seaside ...