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Some Home Truths About Your Body

Notes of my most interesting discoveries about the human body

What do you think?

14 Points
Some Home Truths About Your Body | My Home Vitality

All the blood vessels in your body laid end to end would reach about 60,000 to 100,000 miles (100,000 – 160,000 kilometres), about two-and-a-half to four-and-a-half times around the circumference of the Earth – Resource

Your naked eye can see a galaxy 2.5 million light years away – that’s 14,697,500,000,000,000,000 miles or 23,653,333,440,000,000,000 kilometres – Resource

At rest, my heart beats around 60 beats per minute, meaning if my heart rate stays the same and never fluctuates, it will beat around 1,000,000,000 (1 billion) times in 30 years; 1,260,000,000 (1.26 billion) times in 40 years and 2,520,000,000 (2.52 billion) times in 80 years. It will probably be significantly more when considering increases throughout my life (exercise, anxiety, etc.).

Your small intestine is around 6 metres (20 feet) long, about as tall as an adult giraffe or three-quarters of the length of a double decker bus – Resource

Wisdom teeth serve no purpose. It is believed that, as our early human brains grew bigger, space in the mouth reduced. Also, as we started to understand and cook food with fire, our diet of raw meat, leaves and roots shifted to softer, more mushy food, leaving less necessity for a third set of molars.

Will evolution catch up with soft modern diets and will our brains expand even more to push out other unnecessary nashers?


On average, the femur (thighbone) is 26.74% of a person’s height, with no significant statistical variances across genders and ethnic groups. This helps scientists estimate the height of an individual from an incomplete skeletonResource

More than 30% of cancer could be prevented. Mainly, by eating healthily, being physically active, not using tobacco and drinking alcohol in moderation – Resource

Wakefulness is low-level brain damage, while sleep is neurological sanitation.

Prioritizing sufficient quality sleep across your life span is clearly becoming a significant factor for lowering dementia.

Dementia is a general term for a decline in mental ability severe enough to interfere with daily life.

Alzheimer’s disease is the most common cause of dementia.

“Sleep quality-especially that of deep NREM sleep-deteriorates as we age. This is linked to a decline in memory. If you assess a patient with Alzheimer’s disease, the disruption of deep sleep is far more exaggerated.”

“Sleep disturbance precedes the onset of Alzheimer’s disease by several years, suggesting that it may be an early-warning sign of the condition, or even a contributor to it.”

“Following diagnosis, the magnitude of sleep disruption will then progress in unison with the symptom severity of the Alzheimer’s patient, further suggesting a link between the two.”

“Over 60 percent of patients with Alzheimer’s disease have at least one clinical sleep disorder.”

“We now recognize that sleep disruption and Alzheimer’s disease interact in a self-fulfilling, negative spiral that can initiate and/or accelerate the condition.”


Please feel free to add your own truths and perspectives to this list, using the thought box below.

If your truths are supported by facts, add a link to a reliable source.

I hope these truths serve you as much as they serve me.


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