How Safe Is It To Use Microwave For Reheating Food?

Updated Feb 9, 2025 | 09:00 AM IST

SummaryAccording to research, when certain plastics are subjected to heat, they produce compounds such as phthalates and bisphenol A (BPA). These substances have been associated to hormonal disturbance, metabolic problems, and perhaps reproductive concerns.
Microwaving food

Microwaves are a common appliance in every household now. You will see it in kitchens of not just houses, but offices, cafeterias, and co working space. However, there are studies that show that heating food in a microwave could be a health concern. While it does come handy, there are questions about harmful radiation and nutrient loss and heating safety that still linger.

Does Microwave Destroy The Nutrients In Food While Heating?

Some research suggests that microwaving may cause nutritional loss, particularly in vegetables. For example, studies have shown that microwaving broccoli with water diminishes its flavonoid content, which are anti-inflammatory compounds. However, experts note that cooking method and duration have a significant influence on nutrient retention.

Surprisingly, several studies indicate that microwaving preserves more nutrients than traditional cooking methods. A study comparing microwaved versus oven-cooked ready meals found that the microwaved version contained somewhat more vitamin C. Another study discovered that microwaving some vegetables, such as broccoli and green beans, may retain more beneficial compounds than boiling.

Ultimately, the nutrient loss really vary on the type of food which is being heated and how it is being cooked. Experts also recommend using minimal water and shorter cooking times to maximize the nutrient retention.

Is Heating In Plastic Safe?

Plastic containers and heating food in it, has always been a topic of debate. While containers do come with microwave-safe stamps, is it really safe to heat them with food?

According to research, when certain plastics are subjected to heat, they produce compounds such as phthalates and bisphenol A (BPA). These substances have been associated to hormonal disturbance, metabolic problems, and perhaps reproductive concerns.

A study also took in account over 400 plastic food containers that were microwave-safe and found that most of them leaked hormone-disrupting chemicals. These are phthalates, warn experts, which are commonly used in food packaging and can interfere with body's hormonal balance, and increase risk of diabetes or even high blood pressure.

Additionally, BPA exposure has been associated with fertility issues and immune system disruptions.

So, what can be done instead?

To minimize this risk, experts recommend using glass or ceramic container when microwaving foods. If you must use a plastic container, make sure the container is not damaged or old, as they are more prone to leach harmful chemicals.

What About The Radiation?

Concerns about microwave radiation have been largely debunked by decades of research. Microwaves use non-ionizing radiation, which does not have enough energy to damage DNA or cause cancer. The electromagnetic waves used in microwaves are similar to those from radios and light bulbs.

Experts emphasize that microwave ovens are designed to contain radiation, preventing exposure. As long as the microwave is in good condition and the door seals properly, there is no significant health risk from microwave radiation.

Other Concerns

Microwaving food could sometimes also lead to uneven cooking and it can create some risks to food safety. Thus, experts advertise to use microwave only to reheat the food and not to actually cook raw food. For safe reheating, food should reach at least 82°C (176°F) throughout to kill bacteria.

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Former New York Mayor Rudy Giuliani Out Of ICU; To Remain Hospitalized

Updated May 7, 2026 | 06:00 PM IST

SummaryRudy Giuliani is a longtime ally of President Donald Trump. In 2025, Trump also announced awarding Giuliani with the Presidential Medal of Freedom, the country's highest civilian honor.
Former New York Mayor Rudy Giuliani Out Of ICU; To Remain Hospitalized

Credit: AP

Former New York City Mayor Rudy Giuliani has been discharged from the ICU but will remain in the hospital for “some time” as he recovers from pneumonia, according to his spokesperson.

In a post on social media platform X, spokesperson Ted Goodman said Giuliani, 81, was hospitalized earlier this week in critical but stable condition.

Giuliani, who served as New York City's mayor from 1994 to 2001, was previously diagnosed with restrictive airway disease following the infamous 9/11 terrorist incident, where he “took down the mafia, saved New York City, and ran toward the towers on September 11th".

However, the incident left Giuliani with lasting health complications, Goodman said, adding that the former NYC Mayor "is recovering from pneumonia”.

“The virus quickly overwhelmed his body, requiring mechanical ventilation to maintain adequate oxygen and stabilize his condition,” Goodman said.

Calling him the "same fighter he's always been, and he's winning this fight,” Goodman said that the "mayor and his family appreciate the outpouring of love and prayers sent his way”.

Notably, Giuliani is a longtime ally of President Donald Trump. In 2025, Trump also announced awarding Giuliani with the Presidential Medal of Freedom, the country's highest civilian honor.

What Is Pneumonia?

Pneumonia is an inflammatory condition of the lung tissue, most often caused by infections. It can affect one or both lungs and can range from mild to life-threatening, especially in vulnerable populations like the elderly, young children, or those with underlying health conditions.

There are several types of pneumonia, classified based on their causes—bacterial, viral, and fungal—and each has distinct patterns of transmission and severity.

What Causes Pneumonia?

Pneumonia is not a single disease but a syndrome resulting from various infectious agents:

Bacterial Pneumonia: This is the most common type, often developing as a secondary infection after a cold or flu. Streptococcus pneumoniae is the most frequent culprit.

Viral Pneumonia: Caused by viruses like influenza, respiratory syncytial virus (RSV), and SARS-CoV-2 (COVID-19), this type often starts in the upper respiratory tract and spreads to the lungs.

Fungal Pneumonia: This type is less common and usually affects individuals with weakened immune systems. It's typically contracted through environmental exposure, such as to soil or bird droppings.

Early Warning Signs You Shouldn’t Ignore

Pneumonia can be insidious. It often begins with symptoms that mimic the flu: headache, fatigue, and fever. But as the infection progresses, signs become more serious:

  • Persistent cough with green, yellow, or even bloody mucus
  • Shortness of breath
  • Chest pain, especially when breathing or coughing
  • High fever, chills, and night sweats
  • Confusion, especially in the elderly
  • Nausea or loss of appetite
The severity of symptoms often depends on the individual's age, overall health, and the type of pneumonia contracted.

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Antibiotics Gone Wrong: Inflammation Treatment Leaves US Woman’s Skin Shockingly Black And Blue

Updated May 7, 2026 | 07:00 PM IST

SummaryOver the course of six weeks of taking minocycline, an oral antibiotic, dark patches appeared on the 68-year-old woman's arms and legs. It ranged from a bruise-like dark blue and purple to jet-black. Six months after stopping the drug, the hyperpigmentation in her limbs had "abated somewhat" but was still visible.
Antibiotics Gone Wrong: Inflammation Treatment Leaves US Woman’s Skin Shockingly Black And Blue

Credit: NEJM

In a shocking case, a 68-year-old woman in the US who took antibiotics for inflammation developed an alarming skin reaction, leaving her skin black and blue.

The unusual case, reported in the New England Journal of Medicine (NEJM), noted that the woman developed dark patches on her skin very quickly, within two weeks of starting the drug — a course of minocycline, an oral antibiotic.

Two weeks before the onset of the skin changes, she had started taking 100 mg daily of oral minocycline to treat rosacea, which causes chronic inflammation and redness of the face.

Over the course of six weeks, dark patches appeared on the woman's arms and legs. It ranged from a bruise-like dark blue and purple to jet-black.

Her doctors also noticed blue-gray "hyperpigmentation" on the woman's forearms and shins, as well as on the sides of her tongue. The woman noted that the patches had first appeared on her legs before cropping up elsewhere.

Rosacea is a common skin condition that leads to the formation of small, red bumps and pus-filled pimples on the skin, and evidence suggests that antibiotics like minocycline can help eliminate those bumps.

Writing in the paper, Aarti Maharaj, from the University of Florida, shared that hyperpigmentation is a well-established side effect of minocycline, in which patches of skin become darker than the skin surrounding them.

While the condition typically develops after months of treatment, it may rarely occur with shorter courses, the expert said.

In this case, the woman was diagnosed with type II minocycline-induced hyperpigmentation, which is "defined by blue-gray discoloration of normal skin on the extensor surfaces of the arms and legs," according to Maharaj.

Doctors advised the patient to stop taking minocycline and to avoid sun exposure, as ultraviolet light is thought to worsen hyperpigmentation in these cases. Six months later, the hyperpigmentation in her limbs had "abated somewhat" but was still visible.

Also read: Medical Miracle: World First Frozen Testicular Implant Gives ‘Infertile’ UK Man Hope of Fatherhood

Minocycline And Hyperpigmentation

According to Mayo Clinic, minocycline belongs to the class of medicines known as tetracycline antibiotics. It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections.

It causes hyperpigmentation:

  • Type I shows up as blue-black discoloration on scarred or inflamed skin on the face, rather than on healthy skin on the limbs.
  • Type II leads to blue-gray discoloration of normal skin on the extensor surfaces of the arms and legs.
  • Type III appears as muddy-brown pigmentation on sun-exposed areas of the body.
While type I minocycline-induced hyperpigmentation can show up soon after a person starts taking the drug, type II and type III usually take longer to appear.

Read More: Major FDA Study Confirms Baby Formula In US Safe, Testing to Continue

According to a frequently cited study, the side effect shows up in about 28 per cent of people in this population, although that research included only a small number of patients. The true incidence of the side effect is unclear, Live Science reported.

Once a person stops taking minocycline, the pigmentation can take months to years to dissipate, reports suggest. In type III cases, it sometimes never goes away.

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Kidney Health Myths That Are Doing More Harm Than Good

Updated May 7, 2026 | 07:00 AM IST

SummaryStaying hydrated matters, but excessive water intake isn’t beneficial for everyone—especially in advanced chronic kidney disease (CKD), where fluid intake often needs to be carefully limited to avoid complications.
Kidney Health Myths That Are Doing More Harm Than Good

Credit: Canva

Kidney disease is one of those conditions where myths quietly cause a lot of damage. Misinformation about symptoms, diet, medicines, and treatment can delay diagnosis, worsen kidney health, and prevent people from taking simple steps that could protect their kidneys early on.

Myth: Kidney disease is rare.

Fact: It’s actually quite common, but many people don’t even know they have it.

Myth: You’ll feel it if something is wrong.

Fact: Early chronic kidney disease (CKD) is usually silent, and symptoms often appear only after significant damage has already occurred.

Even something as simple as a slightly raised creatinine is often ignored.

Fact: Even mild elevations can signal a meaningful loss of kidney function.

Myth: Dialysis cures kidney disease.

Fact: Dialysis does not cure kidney disease. It only replaces some kidney functions to help keep the body in balance.

Myth: If dialysis is needed in Acute Kidney Injury (AKI), it means lifelong dialysis.

Fact: Dialysis in AKI may be temporary. In advanced CKD, however, it is often long-term or lifelong unless a kidney transplant is performed.

Diet myths don’t help either

Myth: More water is always better.

Fact: Hydration is important, but too much water isn’t helpful for everyone—especially in advanced CKD, where fluid intake may need to be restricted.

Myth: All kidney patients should eat the same diet.

Fact: Kidney diets are highly individualized. High-protein diets, often seen as healthy, can increase stress on damaged kidneys. Plant-based proteins can be a suitable alternative in many cases.

Myth: Herbal or indigenous remedies can cure or prevent kidney disease.

Fact: Many of these remedies are unregulated and may actually worsen kidney damage because of hidden toxins or heavy metals.

Myth: Painkillers are harmless.

Fact: Regular use of medicines like NSAIDs can quietly damage the kidneys over time.

At the end of the day, kidney disease isn’t just about treatment—it’s about awareness. Getting the facts right can make all the difference.

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