health

Transition to Vegan Diet Should Be Gradual

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | December 7th, 2020

Dear Doctors: Our 16-year-old daughter wants to become a vegan. Her father and I think that may be a bit extreme, so we’ve compromised, and first she’s going to try being a vegetarian. What’s a good way for a growing teen to safely make the transition?

Dear Reader: We’re both parents ourselves, so we understand your concerns about meeting your daughter’s nutritional needs. A vegan diet, which cuts out all foods derived from living creatures -- including eggs, dairy products, gelatin and honey -- can send you on a steep learning curve. Even the more lenient parameters of a vegetarian diet take care and planning to be healthful and well-balanced.

As with any diet, the goal is to get enough calories, protein, vitamins and minerals from a wide array of fresh and healthful foods. The good news is that vegetarian and vegan diets are quite popular. That means the information and products your daughter needs to be a healthy vegetarian are widely available.

When following a vegetarian diet, your daughter will no longer eat red meat, poultry, fish or other seafood. Vegetarians may choose whether or not to eat eggs and dairy products. (Some, referred to as pescatarians, include fish in their diets.)

Although it can be tempting to dive into the deep end with a new lifestyle choice, we suggest a gradual transition. Instead of eliminating meat, start by adding an array of foods to your daughter’s existing diet. This includes the tofu, tempeh, seitan, beans, legumes, nuts, seeds and whole grains that will become staples of her new way of eating. Once she’s familiar and comfortable with these new foods, she can start eating them instead of the meat-based meal the rest of the family is having. A vegetarian we know made an easy transition by eliminating one category of meat at a time. She started with beef and, every few weeks, stopped eating another type of meat. Within a few months, she had achieved her goal of becoming a vegetarian.

When it comes to nutrition, you want to keep an eye on B12, a vitamin that’s essential to the proper function of the body's nerve and blood cells. B12 also plays a role in the synthesis of DNA, and it helps prevent megaloblastic anemia, which causes weakness and exhaustion. In addition to meat and fish, B12 is found in milk, cheese, eggs and some fortified cereals. Several studies have found that even vegetarians who consume eggs and milk can become deficient in B12, so a supplement may be a good idea.

People who no longer consume meat also have to take care to get adequate calcium, iron, zinc and protein. Protein needs can be satisfied by eating a variety of beans, legumes, nuts, seeds and soy products, as well as eggs and dairy products.

A few good vegetarian cookbooks will be essential tools for coming up with varied and healthful meals and snacks. We also think it would be wise for your daughter to meet with a registered dietitian to learn the nutritional guidelines of her new lifestyle.

(Send your questions to askthedoctors@mednet.ucla.edu. Owing to the volume of mail, personal replies cannot be provided.)

health

Wearing a Mask Continues To Be Our Best Defense Against COVID-19

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | December 4th, 2020

Dear Doctors: Can you please explain about masks again? Why do we need them, what kind should we wear, and what is the proper way to wear them? It would really help me to explain to my friends and family so they can be safer.

Dear Reader: We continue to get letters from all parts of the country asking these same questions. We’ve written about masks before, but new information often takes repetition to sink in. It also takes time for new habits to take hold. We’re happy to do a recap for those of you who are still unsure about the why and how of using a mask during the COVID-19 pandemic.

Now that we have learned so much more about how this particular coronavirus spreads, wearing a mask turns out to be a crucial part of protecting our families and communities. The bottom line is that you wear a mask to keep your breath to yourself. Research shows that the main way this virus travels is via the droplets and aerosols we emit when we sneeze, cough, speak and sing, and even when we breathe. When you wear a mask, you create a barrier that catches some of these particles and limits the distance your breath can travel. Combine that with the 6-foot buffer zone we have come to know as social distancing, and the odds of transmission are significantly reduced.

Even if you’re not worried about the coronavirus on your own behalf, you can be sure that there are vulnerable people all around you. This one simple habit -- which, let’s face it, isn’t a real burden for the majority of us -- can literally save a life. In fact, the life you save may be your own. The latest research shows that a good mask, worn properly, can also help to protect the person who is wearing it.

A mask works by providing a network of fibers that both slow the force of an exhale and capture respiratory droplets. The closer the weave, the more effective the filtering effect of the mask. Tightly woven cotton masks with multiple layers are more efficient than looser fabrics, such as a scarf or a bandanna. The nonwoven materials of the N-95 masks are the most effective. Shape and fit also play an important role. A good mask has a snug but comfortable fit without any gaps around the perimeter. It fits over the nose and under the chin, and it leaves enough space around the nose and mouth for easier breathing. Masks with valves don’t slow or trap any aerosols and, therefore, do not protect the people around you.

When you breathe out through a mask, the fibers capture many of the droplets you generate. The rest travel a much shorter distance than they would in a maskless exhale. When someone wearing a mask exhales near you, the load of aerosols headed your way is reduced. If they do reach you, your own mask filters them, again reducing the number of particles that reach you. When everyone wears a mask, we’re working together to reduce one another's level of risk.

(Send your questions to askthedoctors@mednet.ucla.edu. Owing to the volume of mail, personal replies cannot be provided.)

health

Hospital Stays Can Leave Elderly Patients Confused, Disoriented

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | December 2nd, 2020

Dear Doctors: Why do the elderly lose ground mentally when they go to the hospital? Our grandmother had emergency gall bladder surgery, and afterward she got so confused that she thought our grandfather, who passed away, was in the next room. It lasted for a few days, and it was scary.

Dear Reader: Although we can’t know the exact nature of your grandmother’s cognitive lapse, the type of confusion you describe isn’t unusual in older adults who have been hospitalized. Sometimes referred to as hospital-acquired delirium, it’s a temporary but severe form of mental impairment that affects up to one-third of patients over the age of 70, particularly those undergoing surgery or those in intensive care. The condition is marked by periods of confused thinking, jumbled memory, difficulty understanding speech, agitation, disorientation and even hallucinations.

These episodes of delirium are often interspersed with interludes during which the person is once again lucid. The duration of hospital-acquired delirium can be as brief as a few hours or, as with your grandmother, can continue for several days. In some cases, these fluctuations in awareness can last much longer. In addition to being upsetting to family members, the condition can hinder the patient’s recovery and lead to a general decline in health.

When you consider the many shocks involved with surgery and hospitalization, it’s not surprising that the experience can take a steep mental toll on older adults. Not only has the body endured the physical trauma of a surgical procedure, but the patient is also dealing with the effects of anesthesia and the drugs used to manage pain. Once the patient awakens, the hallmarks of their everyday lives have suddenly vanished. They find themselves isolated in a strange place, being cared for by an ever-changing array of strangers. The bright lights, constant noise, ongoing medical interventions and frequent interruptions of hospital life create a stressful environment. Adding to the burden are factors such as infection, dehydration, poor nutrition, anxiety, poor sleep and the potential side effects of multiple medications.

Treatment begins with basic care. That means making sure the person is hydrated, is getting enough nutrients and adequate sleep, and is warm, dry and comfortable. It’s also important to help them become oriented to their surroundings. This may sound obvious, but it includes making sure that they have and use personal items such as their eyeglasses, hearing aids or dentures. Each of these help to engage their senses, which lets them stay aware of the world around them.

Other things that have proven helpful are daily exercise, exposure to natural light, removing medications that are not absolutely essential and surrounding the person with familiar objects from their home life. A favorite sweater, a stuffed animal or an array of family photographs can provide visual and sensory cues. Music, which boosts brain activity, has been shown to relieve stress and anxiety.

And if the hospital allows visitors, try to go to spend time with your loved one. Patients feel vulnerable and alone in a hospital setting, and having a familiar and loving presence nearby offers great comfort.

(Send your questions to askthedoctors@mednet.ucla.edu. Owing to the volume of mail, personal replies cannot be provided.)

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