The impacts on circadian rhythm and melatonin production in visually impaired people

Light is captured through photoreceptors in the eyes which transmit this to the suprachiasmatic nucleus (SCN), or internal body clock, via a dedicated neural pathway. Each day the light-dark cycle resets the internal clock, which in turn synchronizes physiological and behavioural patterns known as our circadian rhythms. People who are visual impaired with no perception…

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Iron levels and fatigue

Iron is a mineral. It is necessary to make haemoglobin (an oxygen carrying molecule) in the blood. If iron is not eaten in adequate amounts in the diet; anaemia, tiredness……

Sleep & physical activity

Do I exercise or just have a sleep? It is not uncommon for people experiencing fatigue to put this down to lack of sleep, when in actual fact there are……

Optimising sleep for night shift

In a 2018 article in the British Medical Journal (BMJ 2018;360:j5637 doi: 10.1136/bmj.j5637 [Published 1 March 2018]) the topic of optimsing sleep for night shift was covered with the aim……

When will fatigue occur?

The time of day affects fatigue, due mainly to the body’s circadian rhythms. Circadian rhythms are natural body rhythms that are driven by the cycle of day and night. The……

Should burning fat kilojoules be my goal?

NO – burning energy whatever its source should be the major goal of exercise when trying to lose body fat. The reason is that 37,000 kilojoules of energy equals one……

The impacts on circadian rhythm and melatonin production in visually impaired people

Light is captured through photoreceptors in the eyes which transmit this to the suprachiasmatic nucleus (SCN), or internal body clock, via a dedicated neural pathway. Each day the light-dark cycle……

Mealing timing and fatigue

Our bodies perform best when given a regular supply of food throughout the day rather than one large meal. This means that to start maximising your energy you need to……

Is shift work detrimental to health?

There is a body of evidence that supports the statement that shift work can detrimentally impact on health, as well as, other factors that impact on human wellbeing and safety……

Is it possible to have too much sleep each night?

It is still largely unknown how many exact hours of sleep per day are needed in adults, according to their age, their environmental and socio-cultural characteristics. It is generally cited……

What are the signs and symptoms of fatigue?

Some of the key signs to look out for are listed below. Drowsiness is an impaired awareness associated with a desire to sleep and signs include:errors in familiar tasksrepeated yawningdifficulty……