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Dr K K Aggarwal

Padma Shri and Dr B C Roy National Awardee

Exercise impact on the knee

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Different exercises produce different impacts on the knee joints. The best and safest exercises causing minimum impact on the knee for patients post knee replacement or knee arthritis are walking, biking, hiking, riding an exercise bike, riding an elliptical trainer and walking on the treadmill. In sports one can play doubles tennis and not singles. One can also participate in downhill or cross–country skiing.

The maximum stress–producing exercises are jogging and golf swings.


• Biking generates the least force, producing impact of about 1.3 times the person’s body weight.

• Treadmill walking was next best, producing forces of 2.05 times the body weight.

• Walking on level ground generated forces of 2.6 times the body weight.

• A game of tennis produces forces of 3.1 to 3.8 times the body weight; serving produces the highest impact.

• Jogging produced forces of 4.3 times body weight.

• Golf swings produces forces of 4.5 times body weight on the forward knee and 3.2 times body weight in the opposite knee.




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According to Hinduism, the very fact we are born means that in our last life, we did not get liberation or Moksha. It also means that some sufferings in our last birth still remained. Therefore, the purpose of this birth is to face those sufferings.

When the purpose of our life is to face sufferings, why suffer from them?

This should be considered as ‘sukh’ and not ‘dukh’. As per Vedic literature, every diversity is an opportunity to learn or to do something different. The four notable principles of Buddhism also talk about the same. The first is that suffering exists, second that there is a reason for every suffering and third that it is possible to neutralize the suffering by understanding the 8 paths of cessation of suffering.

Also remember that in every ‘dukh’ you think of ‘sukh’ and in every ‘sukh’ you think of a ‘dukh’. Next time you have a problem, think differently and learn to enjoy them.

Disclaimer: The views expressed in this write up are entirely my own.


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In India, a person is identified by his/her name, which usually is a reflection of his/her own family. It may contain not only your maiden name but also the name of your father and your surname/caste.

When you are born, you are usually given your special name, which you carry throughout your life unless it is changed for a specific purpose. For example, the surname may change after marriage or the in-laws may change the name, specifically, for a girl.

Artists often change their names to those which may reflect their profession. A classic example is Rajesh Khanna, who changed his name from Jatin to Rajesh, which was easier for the public to recall.

A name for a baby is chosen on any of the following grounds:

• The priest as per the horoscope decides the sound present in the universe and that Akshar (Alphabet) is given to the family to pick up a name starting with that Akshar.

• Sometimes, the name of the baby may be chosen depending upon the auspiciousness of the day he/she was born, e.g. a baby boy born on Krishna Janmashtami, may be named ‘Krishna’ by the family after Lord Krishna.

• If the parents have vowed a Mannat to a deity, then they may name their child after one of the many names of that deity. For example, if parents have taken a Mannat from Vaishno Devi, their baby girl may be named for one of the forms of Goddess Durga or Parvati.

• People may also choose similar names for their children, e.g. Ramesh, Mahesh, and Suresh.

• People may also keep the name of the child in the form of known pairs. If the name of the first child is Luv, the parents may like to name the second child as Kush, especially when the parents have twins. Other examples are Karan Arjun, Sita and Gita etc.

• Sometimes, parents name their child after their favorite celebrity. For example, if someone is a big fan of Sachin Tendulkar, he may name his child Sachin. Sachin himself was named after the noted Hindi film music director Sachin Dev Burman by his father, who was a great fan of SD Burman. Name has a lot of significance as Akshar in Sanskrit has a vibration and if that positive vibration matches with the vibrations of universe at the time of your birth, it helps in healing.

Normally, it is expected that you live up to your name. For example, if your name is Durga, you are expected to know all about Ma Durga and try to adopt characteristics of Durga.

Therefore, everyone is expected to know the literal meaning of his or her name and try to follow a lifestyle that is consistent with your name. For example, if you are named Ram, you are not expected to act like Ravana.

Namkaran Sanskar or the naming ceremony is a complete ceremony and is one of the 16 sanskars. It is both a social and legal necessity. As the naming process creates a bond between the child and the rest of the community, it is considered auspicious.

Some people name their child before he/she is born but a Namkaran Sanskar is usually performed on the 12th day after birth but it may vary from religion to religion and custom to custom. The formal ritual involves a Namkaran puja, which is held at their home or a temple where the priest offers prayers to all the Gods, Navagrihas, five elements, Agni and the ancestors. The horoscope of a child is made and is placed in front of the idol of the deity for blessings. With the baby in the lap of the father, the chosen name of the child is whispered in the right ear.

Some people name the child on the 101st day of the birth; while some choose the first birthday to name their child.

The name of the child also entails certain etiquettes as it reflects a person. You cannot take the name of a person with disrespect. If you abuse a name it means you have abused a person.

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Cough Hygiene

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• When you cough or sneeze, you tend to expel out respiratory waste, which can be droplets (larger than 5 microns) or airborne droplets less than 5 microns; both have different implications.

• Droplets remain suspended in the air only for a limited period and exposure of less than 3 feet is usually required for human to human transmission of droplet–borne respiratory organisms. In flu, this can be up to 6 feet. The examples of droplet infections are patients with meningitis, influenza, rubella (German measles) etc.

• No precautions need to be taken by a person, who is at a distance of 6–10 feet away from the patient. But, if a person is sitting or working even at a distance of 3–6 feet, the non–coughing person should wear simple mask.

• In contrast, airborne droplet nuclei, which carry respiratory secretions smaller than 5 microns can remain suspended in the air for extended period and can cause infections to people who are standing even more than 10 feet away. The example of airborne droplet nuclei infections are TB, measles, chickenpox and SARS (severe acute respiratory syndrome).

• Patients with these diseases need to be placed in an isolation room. And, all those people who are looking after these patients must use a safe N95 mask.

• In normal house with open windows, there is a constant exchange of air, which prevents spread of infections but in rooms with air conditioners (ACs) with no air exchange, infections can spread from one person to another.

• When sitting in an air conditioned atmosphere, the setting of the AC should be such that the same air is not circulated and fresh air is allowed to exchange. Split ACs, therefore, are more dangerous than the window ACs.

• In an office with split AC, if one employee is suffering from any of the droplet nuclei disease, he/she can transmit infection to others. Therefore, patients with confirmed TB, measles, chickenpox and SARS should not be allowed to work in offices with split ACs.

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• Avoid foods that trigger your symptoms.

• Eat small portions and don’t overeat; chew food slowly and completely.

• Avoid smoking, eating quickly, chewing gum, and drinking carbonated beverages as they lead to swallowing excess air.

• Reduce stress.

• Get enough rest.

• Don’t lie down within 2 hours of eating.

• Maintain a healthy body weight.

(Source: Harvard Healthbeat)

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• Know your strengths

• According to a British study, only about one–third of people have a useful understanding of their strengths.

• If something comes easily, you may take it for granted and not identify it as a strength.

• If you are not sure, ask someone you respect and who knows you well, by noticing what people compliment you on, and by thinking about what comes most easily to you.

• Strengths which are most closely linked to happiness are gratitude, hope, vitality, curiosity, and love.

• Strengths are so important that they’re worth cultivating and applying in your daily life, even if they don’t come naturally to you.

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Vitamin D Facts

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• Calcium has an indispensable assistant in building bones: vitamin D.

• Vitamin D helps the body absorb calcium.

• Increasing vitamin D can help prevent osteoporosis.

• A small amount of sun exposure can help the body manufacture its own vitamin D.

• Five to 30 minutes of sunlight between 10 am and 3 pm twice a week to your face, arms, legs, or back without sunscreen will enable you to make enough of the vitamin

• People with fair skin that burns easily should protect themselves from skin cancer by limiting sun exposure to 10 minutes or less.

• Food and sun exposure should suffice, but if not, get 2,000 IU of vitamin D daily from a supplement.

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Most Gods and spiritual gurus had suffered in their last days. Lord Krishna had a nonhealing wound, Jesus Christ was crucified, Bhagwan Rajneesh had an infectious disease, Swami Chinmayanand had low functioning heart, Maharshi Mahesh Yogi had heart and pancreatic disease, Satya Sai Baba was put on a ventilator etc.

When they were God–like personalities, why did they suffer in their last days?

The answer to this comes from Vedic knowledge within the concept of rebirth. Vedanta says that the very fact that we are born means that in the last birth we did not attain moksha or liberation. In other words, this means that there were some sufferings yet to be faced. You are born to face those sufferings. When you face the last suffering, there are high chances that that suffering may be your last suffering before liberation.

Most Gods or saints who died in a phase of suffering may mean that they did not attain liberation. A person who dies suddenly or unnaturally would mean that he would have to take rebirth to face more sufferings.

According to me, terminal sufferings are good from spiritual point of view.

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