Oh the joy! Let us remind you it is Blue Monday

Blue Monday - how we calculate the saddest and mot depressing day of the year

As if Monday’s are not depressing enough, here we are with Blue Monday – allegedly the most the depressing day of the year… well we might as well call it Blue Monday, as good at title as anything else I suppose.

But is it really because you have got over half way into the month and your resolutions have fallen apart? Have your attempts to have a more healthy diet, drink more water and not succumb to the odd glass of alcohol got up and gone? Or is there some science behind Blue Monday?

I don’t know the answer but hopefully you are actually fairing OK, I am still keeping my head up and have “so far” stuck to my New Year approach to have a more positive outlook about myself.

But, fear not, the British Dietetic Association (BDA) is on hand to give you some food and nutrition advice to help beat the Blue Monday blues.

The BDA, founded in 1936, is the professional association for dietitians in Great Britain and Northern Ireland. It is the nation’s largest organisation of food and nutrition professionals with over 8,000 members.  The BDA is also an active trade union.

“We all have good days and bad days; we all have foods we like more, or like less,” said Alison Clark from the BDA.  “But is there a connection between feeling fine and the foods we have eaten? Do some foods make us feel grumpy? Is it possible to plan a diet for a good mood?”

Carbohydrate = Glucose = Brain Power

“The ability to concentrate and focus comes from the adequate supply of energy – from blood glucose – to the brain. Glucose is also vital to fuel muscles. The glucose in our blood comes from all the carbohydrates we eat – foods including fruit, vegetables, potatoes, cereals, bread, rice, sugars and lactose in milk.

Eating breakfast and regular meals containing some carbohydrate ensures you will have enough glucose in your blood.

“Healthier sources of carbohydrates include whole grains, vegetables, fruits, legumes and lower fat dairy. These are also an important source of nutrients such as calcium and B vitamins.

“Not having enough glucose in the blood (hypoglycaemia) makes us feel weak, tired and ‘fuzzy minded’. This may happen when we don’t eat enough carbohydrate-containing food, and is a particular risk for people with diabetes and athletes. It can also happen with people following very restrictive diets or with erratic eating patterns. However, though glucose ensures good concentration and focus, once your blood glucose is within the normal range, you cannot further boost your brain power by increasing your glucose levels! And if you consume some carbohydrate foods, additional sugary ‘energy’ drinks are not needed and not helpful.”

Comfort eating

There is a messenger chemical in the brain called serotonin, which improves mood and how we feel. Serotonin is made with a part of protein from the diet (tryptophan), and more of this may get into the brain when carbohydrate-rich foods are eaten. This suggestion has been used to explain ‘carbohydrate craving’ – eating sweet, comfort foods to boost mood. However, there is not enough research to show that eating lots of tryptophan or eating a lot of carbohydrates can really support mood improvement in humans. But it may be that not consuming adequate amounts of carbohydrate (high protein/high fat diets) leads to low moods. You also may have heard the idea that eating chocolate can make you feel happier, and there are observations that people feeling depressed are more likely to eat chocolate. This is probably because of the cultural status of chocolate as a well-known reward and comfort food, rather than due to any potent physiological effects particular to cocoa.

Caffeine and the ‘drug-effect’

Caffeine, found in coffee, cola and energy drinks, is often called a ‘drug’ as it acts as a stimulant and can improve the feelings of alertness, and counter the effects of fatigue. However there is also a suggestion that some of the effects of caffeine are more to ‘normalise’ the lower levels of alertness felt by regular users who have not consumed enough caffeine that day. Too much caffeine, particularly in people who are not used it, may cause the adverse effects of irritability and headache.

Vitamins and minerals

When you don’t eat enough nutrient-rich food, your body will lack vital vitamins and minerals, often affecting your energy, mood and brain function. The table below shows how missing some vitamins/minerals can affect your mood, and what you can eat to replenish your body.

This table shows how missing some vitamins/minerals can affect your mood, and what you can eat to replenish your body.

Missing vitamin/mineral Effect on mood Foods which can help
Iron This results in low levels of oxygen carrying haemoglobin in the blood, resulting in the condition anaemia Feeling weak, tired and lethargic all the time The risk of anaemia is reduced with adequate intakes of iron, particularly from lean red meat, poultry and fish, beans and pulses, fortified cereals.It may also be helped by avoiding drinking tea with meals
Thiamin, niacin or cobalamin (all B vitamins) Tiredness and feeling depressed or irritable  Fortified foods including cereals, and animal protein foods such as lean meat/fish, eggs and dairy
Folate Increased chance of feeling depressed, particularly important in older people Folate is found in liver, green vegetables, oranges and other citrus fruits, beans and fortified foods such as ‘marmite’ and breakfast cereals
Selenium May increase the incidence of feeling depressed and other negative mood states. Brazil nuts, meat, fish, seeds and wholemeal bread


You should aim to get your vitamins and minerals from eating a healthy, balanced diet with plenty of fruit and vegetables but in certain circumstances or for certain people, supplements may be beneficial e.g. folic acid for women planning pregnancy; iron for people diagnosed with anaemia; and vitamin D for all pregnant and breast-feeding women, and older adults.

These can be used to treat people with low levels of vitamins and minerals. However, it is better to look at eating more foods that are naturally rich in these nutrients. This is because efficient absorption of vitamins is helped by other food components; for example, the fat soluble vitamins (A, D and E) are best absorbed when some fat is consumed at the same time. Plus, foods contain other nutrients too.

Nutrition in the workplace

Like it or not, we spend 60% of our life at work and we consume at least a third of our daily food intake while there.  It’s important to ensure that while at work, we eat and fuel ourselves as best we can.

The BDA has launched a brand new innovative service called ‘Nutrition in the Workplace’ to help support businesses throughout the UK to improve their employees’ health and wellbeing to boost productivity and reduce absenteeism in the workplace.

More information can be found

 |www.bda.uk.com | On Twitter @BrDieteticAssoc

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