The cause of tropical enteropathy is infection by the bacteria found in faeces. Photo: K. R. Deepak
Minister Jairam Ramesh is a man with a mission. Stung by the fact that
over 626 million Indians do not have access to toilets, he has initiated
the Nirmal Bharat Abhiyan (NBA) or Total Sanitation Campaign, which would attempt to banish open defecation within a decade.
To ask why and how much it costs would be churlish. Open defecation and
open urination are national shames — not just from the aesthetic, human
dignity and cleanliness angles, but from the health angle as well.
Where do these refuses end up ultimately? As Sunita Narain of the Centre
for Science and Environment points out: “rapidly modernizing India is
drowning in its own excreta” (see her commentary in the 14 Jun 2012
issue of Nature; http://www.nature.com/nature/journal/v486/n7402/full/486185a.html)
And it is this ocean of excreta that our rural (and urban slum) children
are being raised in. What are the health consequences of such a
situation? Minister Ramesh is right in quoting Dr. John H. Humphrey of
Johns Hopkins University, who has published a “viewpoint” in the 19
September 2009 issue of The Lancet.
What does Dr. Humphrey say? He points out that of the 555 million
pre-school children in developing countries, 32 per cent have stunted
growth and 20 per cent are underweight.
These two conditions together cause the death of one in every five
children before they turn 5 years of age. For those alive, the long-term
consequences are severe poor performance in school, dropping out,
intellectual deficits and therefore lower economic productivity as
adults.
Before Humphrey, doctors and public health specialists assumed that such
stunting, underweight, and lower cognitive abilities in children are
due to lack of enough nutrition or bouts of diarrhoea, or both.
However, data from various studies show that controlling either or both,
while helpful, does not always lead the child becoming heavier and
taller. Other factors appear involved.
Dr. Humphrey has suggested another culprit, which is the major cause
behind stunted growth and underweight in children in their pre-school
years.
This is referred to as tropical enteropathy. This is a condition which
affects the intestines (hence entero-) by killing or disabling the villi
and microvilli covering the surface of the small intestine, and helping
the absorption of the digested food into the blood and lymphatic
systems.
It also leads to inflammation and mal-absorption. The benefits of
whatever the child eats are not being transferred and utilised in the
system for growth and development.
And the cause of tropical enteropathy is infection by the bacteria found
in faeces. Children (and adults) living in conditions of poor
sanitation are affected in great measure by such faecal bacterial
infection leading to enteropathy.
As evidence, Humphrey points out to several studies done mostly in the
1960s in Asia, Africa and Central America, which showed a large number
of adults and children living in poor sanitary conditions suffering from
tropical enteropathy.
That the environmental sanitation is responsible is also suggested by
studies on American soldiers in Vietnam and Peace Corps volunteers in
Pakistan, who contracted tropical enteropathy while there, but recovered
soon after returning to the U.S. Thus, NBA has a scientific basis
behind it.
Actually, the move is such an obvious no-brainer. And many
non-governmental organizations have been at it with varying degrees of
success.
Sulabh Shauchalaya, (www.sulabhinternational.org) initiated in many cities by Mr. Bindeshwar Pathak, has been a boon to hundreds of thousands of people.
The Gramalaya group in Tiruchi has now gone beyond towns and
helps Anganwadis in some parts of Tamil Nadu. Another notable effort is
that of the renowned nutrition scientist Dr. Mahtab Bamji and the
gynaecologist Dr. Devyani Dangoria, both of Hyderabad, have been working
with several villages in the Narsapur area in Medak district.
They work with the women there on matters of maternal and child health,
nutrition, kitchen gardens for vegetables and greens, education of
children and adults, and sanitation.
They have helped the villagers make safe and usable latrines by stacking
up 4-foot wide cement rings, and digging pits underneath. A bit of the
cost is shared by the owner and the rest by the Nirmal Gram Abhiyan programme of CAPART.
They can make over 600 of them within the much talked about Rs. 35
lakhs. Thus NBA has several models to think about and improve upon.
What have been some of the issues in constructing such toilets? Bamji
and Sunita list several. Water will of course be the major one; recall
hand-washing alone can solve half the problem of infection.
Second, the type of soil is an issue. Use of night soil as manure
apparently depends on the type of soil into which the waste goes. There
is thus a practical problem here that needs to be addressed as NBA helps
build toilets across India. Third is a matter of what and how the users
would like the toilet. It appears that several of them feel
“claustrophobic” in an enclosed space. NBA might want to take the help
of land/building designers on this issue.
Could they announce a national region-wise competition for designing
rural toilets suited to the local conditions of soil, water, population
density, micro-environment and other relevant features? As Sunita Narain
has said, out-of-the-box thinking is needed here.
Ultimately, it is mindset that needs to change. Habits have to change. If Sikkim can do it (it is the first Nirmal Rajya — 100 per cent open defecation-free), the rest of us can do it too!
Let us move from being burdened by the ‘dreamy desert sands of dead
habit’ and move to an India where every child and adult is assured of
good sanitation.
The body, mind and well-being of future Indians are at stake without it.
The accomplished actress Miss Vidya Balan, whom Minister Ramesh has
recruited to help in this noble cause, has her role cut out.
dbala@lvpei.org
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