Lack of clean water and health problems ...

[Christophe]

The lack of drinking water and its health consequences in the world in 1 image and some figures of WHO:



See also the broader debate on food and mortality in the world

[Janic]

christophe hello
a little comment on this poster:
-It must be distinguished between unsafe water for chemical pollution and organic pollution; what this poster does not distinguish.
-as for dangerous water: what makes it dangerous and for whom?
-finally, 2.6 billion do not have a latrine :! despite appearances latrines are not the best solution to eliminate the bacterial danger, it's just more convenient for cities.
-1 billion of them defecate in the open air.
Same thing: cities or countryside! Billions of animals defecate in the open without any health risks. Our Pasteur phobia turns against its followers.
However, water is indeed the major problem of the future, well before the CO2.

[Christophe]

It's a public poster with some key figures to remember it's all ....

-It must be distinguished between unsafe water for chemical pollution and organic pollution; what this poster does not distinguish.

Except for some rivers in India or China, I think that the vast majority of non-drinking water is by bacterial pollution ... although we have pesticides ...

[Janic]

Except for some rivers in India or China, I think that the vast majority of non-drinking water is by bacterial pollution ... although we have pesticides ...

only the real danger is the second. An organism in good condition will destroy the absorbed bacteria, it is the lack of hygienism on one side and the excess hygiene of the other which leads to pathological situations. The only bacterial danger lies in the direct introduction into the blood ... and again, the immune system intervenes to reduce it!

[Christophe]

An organism in good condition will destroy the absorbed bacteria, it is the lack of hygienism on one side and the excess of hygiene on the other which leads to pathological situations.

Uh ... you go a little fast there ... the best organism does not eliminate all bad bacteria ... you would drink water contaminated with malaria?

After yes, lack of hygiene, malnutrition and water not drinking often go together ...

[Janic]

Uh ... you go a little fast there ... the best organism does not eliminate all bad bacteria ... you would drink water contaminated with malaria?

In the current state of "modern" populations it is almost impossible given the way of life, hygiene, consumption of products which over-demand the immune system without necessity (vaccine, synthetic drugs, etc ...), but not for those who watch the grain. "the microbe is nothing, the land is everything" by Claude Bernard.
Pasteurism ended up traumatizing the populations by accusing the bad microbes and bacteria, whereas without these there is no more life. Observe animals that drink at any salmons source or not (pets prefer to drink puddle water rather than tap water).
PS: malaria is the result of female mosquito bites, not water. In these infested areas, the cinchona consumed was fighting against these infections.

After yes, lack of hygiene, malnutrition and water not drinking often go together ...

Totally indissociable!

[Ahmed]

Must be distinguished!

That animals defecate anywhere poses no problem because the dispersion of excrement allows insects / bacteria to play their full role.
It is quite different for domestic animals and humans who often live in a small space and where there are many cases of pollution of water points (wells) with faeces, with consequences that we can guess ...

When we speak of "latrines", there is a risk of confusion: it would be better to specify that it is a question of better management of animal and human excreta rather than the solutions used in developed countries ...
Well used, e.g. associated with plant matter, these excrement could be a useful part of soil nutrition.

In this area, however, quite simple, there is still much to do, especially since there are often associated taboos.

[Janic]

That animals defecate anywhere poses no problem because the dispersion of excrement allows insects / bacteria to play their full role.

This highlights that it is a problem of cities, but not campaigns.

It is quite different for domestic animals and humans who often live in a small space and where there are many cases of pollution of water points (wells) with faeces, with consequences that we can guess ...

Always the same thing, out of the cities millions of animals defecate, their materials diffuse into the water tables and wells and rare are the cases of intoxication.
These are linked to the poor organic state of people and not to the bacteria present where, at most, the individual may spit ingested product or diarrhea.

[Ahmed]

I quite agree with this main risk of diarrhea, but it is not trivial on children, especially if they are malnourished: the complication is dehydration.
It is important to cover wells and keep livestock away from their surroundings.
This is not a problem only of cities, but of any agglomeration.