Dr. Norman Portillo

07/11/2022

02/11/2022

The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people. The order, or sequence, of these bases determines the information available for building and maintaining an organism, similar to the way in which letters of the alphabet appear in a certain order to form words and sentences.

02/11/2022

Because of its structure, DNA is commonly referred to as deoxyribonucleic acid. The nucleic acid has a phosphate backbone with bases such as adenine, cytosine, guanine, and thymine, while the deoxyribose portion contains pentose sugar. The -OH group at position two of the sugar ring is absent in deoxyribose.

02/11/2022

Why do people need DNA paternity tests?
Establishing paternity can be important for several reasons. It can help:

Gain legal rights to child support, child custody, Social Security benefits and inheritance.
Identify links to genetic conditions that can affect your long-term health.

26/10/2022

Fainting is also called syncope. It can be caused by triggers that include heat, standing for a long time, seeing blood, or a shock. It can also happen when you stand up quickly, especially if you are tired, dehydrated or have low blood pressure or low blood sugar.

21/10/2022

Unlike most rheumatic diseases, osteoarthritis isn’t linked to problems with your immune system. It results from damage to cartilage, the cushiony material on the end of your bones. As it wears down, your joints hurt and become harder to move. It usually affects the knees, hips, lower back, neck, fingers, and feet.

21/10/2022

Most of these conditions happen when your immune system goes awry and attacks your own tissues. Doctors aren’t sure what causes this. Sometimes it’s in your genes. Other times it’s a result of something in the world around you, like cigarette smoke, pollution, or something that causes an infection. Gender also plays a role -- rheumatic diseases seem to affect women more than men.

18/10/2022

Improving care for women during pregnancy and around the time of childbirth to prevent and treat pre-eclampsia and eclampsia is a necessary step towards the achievement of the health targets of the Sustainable Development Goals (SDGs). Efforts to prevent and reduce morbidity and mortality due to these conditions can help address the profound inequities in maternal and perinatal health globally. To achieve this, healthcare providers, health managers, policy makers and other stakeholders need up-to-date and evidence-informed recommendations to guide clinical policies and practices.

18/10/2022

The best clinical evidence for prevention of preeclampsia is the use of low-dose aspirin. Your primary care provider may recommend taking an 81-milligram aspirin tablet daily after 12 weeks of pregnancy if you have one high-risk factor for preeclampsia or more than one moderate-risk factor.

18/10/2022

If you're concerned about developing breast cancer, you might be wondering if there are steps you can take to help prevent breast cancer. Some risk factors, such as family history, can't be changed. However, there are lifestyle changes you can make to lower your risk.
The more alcohol you drink, the greater your risk of developing breast cancer. The general recommendation — based on research on the effect of alcohol on breast cancer risk — is to limit yourself to no more than one drink a day, as even small amounts increase risk.
If your weight is healthy, work to maintain that weight. If you need to lose weight, ask your doctor about healthy strategies to accomplish this. Reduce the number of calories you eat each day and slowly increase the amount of exercise.