Vaastu for Health is the study of Planets, the Stars and their balancing with the five elements of universe i.e. Prathvi, Jal, Aakash, Agni, Vayu, (Earth, Water, Space, Fire, and Air.) and their effects on the human health and happiness.
According to Vaastu Shastra, if all the universal five elements are in their perfect balance, Like Earth in the Southwest, Fire in the Southeast, Air in Northwest, Water in the Northeast and Space in the center that house will give positive results all the way.
Whereas while constructing a house, any delicate balancing if disrupted, this can cause a health problem from Sleep disorder to major incurable diseases.
Everything in the house, the placement of things with design of material used, the ground energy effects on our mind, body and soul within seconds as we enter in the house.
As like in Ayurveda, which creates harmony in the human body and mind, likewise Vaastu also creates harmony in the house.
The subtle energies existing in the house, along with designing of different elements influence on the health and happiness of the habitats.
Some of the basic Vaastu rules which affect the human health are discussed below.
Health and Bedroom Vaastu:
A bedroom in the Northeast creates health problems to couples. Pregnant women should never use this bedroom, because there is possibility of miscarriage.
Southeast bedroom makes female most irritable with Risk of developing heat related diseases like B.P. Diabetes.
The bed should not be aligned with the toilet wall, as that would create negative energies.
Avoid using of bed with storage space, that can lead to brain and heart related health problems. Instead of using storage space bed, use simple wooden beds.
The electromagnetic waves of the earth flowing from the North Pole create conflict, if your head is towards north while sleeping and leads to stress and aches.
To have an uninterrupted and better sleep, keep your head towards south while sleeping.
Never sit or sleep under a beam otherwise that should cause depression, loss of memory and headache.
Health and Kitchen Vaastu:
Having the kitchen in Northeast direction causes serious health problems to the female members in the house.
That can also cause accidents. 
Family in such houses has to undergo various overburden situations.
While cooking face the East direction, avoid consuming anything facing towards Southwest and South direction.
Facing East will improve the taste of the food and helps digestion system.
Kitchen in Bramhasthan can leads to Suicidal and / or Accidental death. Also progeny in that family comes to end or Stops there.
Geopathic Stress
The underground water geomagnetic vibrations or Bioelectomagatic radiation can causes incurable diseases like Cancer, Migraine, Kidney failure, high BP and cardiovascular diseases, even though that house is complying with Vaastu rules. And this an invisible element.
Health and Stairs Vaastu:
Stairs in the Northeast direction creates brain and heart related problems.
Stairs in Bramhasthan also supposed to be Death Symbol.
Stair-case, Store and Toilet in the center (Bramhasthan) of the house can create abdominal and back pain problems and uterus problems in females.
Never use the space below stairs for store, toilet, bathroom or anything else. It only increases heart and nervous Sickness.
Some important rules:
- Use color schemes different for roof and wall. Additionally, there should not be any tree facing window or main entrance door. That increases the negativity in the house.
- Keeping garbage or clutter in the Northeast direction hampers the blood circulation.
- Any clutter, Septic tank, Bore-well in Southwest direction can develop incurable diseases generates Suicidal thoughts.
- If Northwest direction has a clutter, Septic tank that leads to Lungs related diseases to the residents.
- Design a house in such a way, there shall be maximum sunlight and proper cross ventilation during the day time which gives maximum good health to the habitats.
- The basic principle of Vaastu is to ensure the free flow of energy or prana shakti throughout the house.
- The first and simplest way to happen this is to keep the house clean and neat, free from excess clutter, which can obstruct the pranic energy.
Unfortunately, most of the modern house architecture is based on function alone and is not designed in harmony with the basic elements of nature, by which we are insisting our-selves to influence on our health, wealth and happiness in bad way.