Stomach cancer is a type of cancer that develops in the lining of the stomach. Also, known as Gastric cancer, it affects the elderly more than the adult. According to the American Cancer Society, about 6 of every 10 people diagnosed with stomach cancer each year are 65 or older. Also, the lifetime risk of developing stomach cancer is higher in men (about 1 in 101) than in women (about 1 in 155).

A health expert, speaking to a leading media house, emphasized five common symptoms of stomach cancer that should not be ignored:

1. Unexplained weight loss: Losing weight without trying or experiencing an unexplained drop in appetite, which may signal cancer progression.

2. Pain in the upper part of the abdomen: Persistent or occasional pain in the stomach area, often after eating, can become more severe as the condition progresses.

3. Frequent vomiting after meals: Nausea, sometimes accompanied by vomiting, may occur especially after meals and is linked to cancer blocking or irritating the stomach.

4. Vomiting blood, which may appear coffee-colored: This can indicate bleeding in the stomach, often caused by ulcers or tumors, and requires immediate medical attention.

5. Black, tarry stools: This occurs when blood from the stomach is digested and passed through the intestines, signaling potential internal bleeding

There are also other concerning signs that should not be overlooked such as jaundice, unexplained weight loss, early onset of diabetes, dark stools, and loss of appetite. Health experts strongly advise seeking immediate medical attention if you notice any of these symptoms. If you or a loved one experience these signs, it's crucial to visit a physician for a thorough evaluation to rule out serious underlying health conditions.

How Does Stomach Cancer Spread?

Oncologist Dr Pankaj Kumar Pande, Director–Surgical Oncology, Max Super Specialty Hospital, Shalimar Bagh, Delhi explained that this form of cancer spreads through three main pathways: Direct spread, lymphatic spread, and bloodstream.

1. Direct Spread: In its early stages, stomach cancer can invade nearby tissues and grow into the deeper layers of the stomach or spread to surrounding organs such as the oesophagus, liver, pancreas, or intestines.

2. Lymphatic Spread: Cancer cells can travel through the lymphatic system. The most common areas affected are the regional lymph nodes near the stomach, particularly those around the liver and diaphragm.

3. Bloodstream: "Cancer cells can enter the bloodstream and travel to distant parts of the body," which is a common route for stomach cancer to metastasize to distant organs.

He further explained that cancerous cells spread from the original tumour to other parts of the body through a process called Metastasis. The most common sites for the spread are the liver, lymph nodes, peritoneum, lungs, bones, and ovaries.

Shigella infection, commonly known as shigellosis, has claimed a 4-year-old's life in Kerala. According to reports from the authorities, three children were admitted to Kozhikode Medical College Hospital with this infection. Though two of them recovered and were discharged, a four-year-old girl, Nila, succumbed to the disease. She was from Thalakkulathur.

After this first fatality due to shigella, the state's health minister K Muraleedharan, addressed a press conference and said that shigella is a bacterial infection that mainly affects the intestines and causes symptoms such as diarrhoea, fever, and abdominal pain.

Muraleedharan said, "The disease mainly spreads through contaminated food and water. Strict hygiene practices are essential to prevent its spread." Then added, "Around 123 cases were reported in Alappuzha and Pathanamthitta districts last week."

The health minister also confirmed that Shigella was not the reason behind gastrointestinal illness among students in Wayanad. Around 164 students from educational institutions in the Sulthan Bathery region reportedly developed symptoms including vomiting and diarrhoea. Initially, there were concerns over them also being infected by Shigella, but preliminary tests showed that they were not infected.

Though he also added that a medical team from Kozhikode Medical College was dispatched to the area, and will collect samples for testing there. He said, "Initial reports suggest that the cases are not related to Shigella, but further testing is underway, and a final report is awaited."

The local authorities have also issued strict instructions on preventive measures. The health department has ordered the food safety department to conduct inspections, and hotels and eateries were instructed to maintain hygiene and ensure the provision of safe drinking water to customers.

The health minister stressed that the local self-government must take proactive measures to ensure public health.

Also Read: Lung Cancer Risk May Be Detected With Blood Marker 5 Years In Advance, Australian Study Finds

What Is Shigella?

Shigella is a highly infectious bacterium that causes gastrointestinal illness, commonly known as shigellosis. Its symptoms often include diarrhea, fever, and stomach cramps, which can range from mild to severe. Estimates suggest around 188 million cases occur each year, leading to over 1.6 lakh deaths due to Shigella throughout the world.

The infection spreads easily through contact with contaminated food, water, or surfaces, and through person-to-person transmission. Though it is a very infectious bacterium, certain groups are more vulnerable to infection. These groups include young children and people with weakened immunity. Notably, exposure risk increases in environments where hygiene practices may vary.

How To Prevent Shigellosis?

Early recognition and treatment with appropriate antibiotics is crucial to protect oneself from this disease. Notably, ORS can help prevent dehydration, while Zinc tablets can enhance recovery. Other measures to prevent the spread include washing hands with soap and water, especially before touching food, and after using the toilet, and maintaining hygiene. Controlling flies is also very important to prevent the disease.

Nigeria is witnessing an outbreak of cholera, and to curb the spread of the disease, the police there have ordered sanitation measures in the northeastern state of Borno. According to the local media and authorities, about 39 people have died due to the waterborne disease. Local authorities have also reported at least 4,204 cases of infection.

According to the local health authorities, the outbreak is spreading in the Borno capital, Maiduguri, and the surrounding Jere district. The state police commissioner "has directed the full enforcement of the monthly environmental sanitation exercise." The statement added, "Residents are therefore urged to actively participate in the exercise by cleaning their homes, business premises, drainage channels, and surrounding environments."

He added, "To ensure compliance, police personnel and other relevant stakeholders will be deployed to strategic locations across the state during the sanitation period."

The nation is very cautious about the outbreak and has taken several steps to contain the disease as much as possible. The state government has set dedicated treatment centers for public convenience. Notably, cholera is spread by bacteria-tainted water and food, which can easily cause dehydration and diarrhoea.

The advent of modern sewerage systems has eradicated diseases throughout the modern world. Though war, conflict, and social unrest in nations like Nigeria and Sudan result in these unfortunate outbreaks, which take thousands of lives and affect many families.

As Ebola is spreading in African nations of the Democratic Republic of the Congo (DRC) and Uganda, another breakout of Cholera in Nigeria is showing the vulnerabilities of how rampant it is in Africa.

What Is Cholera?

According to the Centers for Disease Control and Prevention (CDC), it is caused by the bacterium Vibrio cholerae. This can be transmitted through drinking water or eating food that contains the bacteria. While most people who get cholera don't get sick, it can cause life-threatening diarrhea and vomiting.

CDC notes that each year, 1.3 to 4 million people around the world get cholera. Among them, 21,000 to 143,000 people die.

What Are The Common Symptoms?

The common symptoms include:

• watery diarrhea
• vomiting
• leg cramps
• losing body fluids
• dehydration and shock

Usually, people develop symptoms within 1 to 10 days of consuming the bacteria.

Who Is At More Risk?

People who live in areas with unsafe drinking water, poor sanitation, and inadequate hygiene are at the highest risk of getting cholera. The disease can spread quickly in areas where sewage and drinking water are not adequately treated. It can also live in brackish water, which is slightly salty, or in coastal water. Thus, eating raw shellfish can also cause cholera.

COVID-19, a name that can trigger a plethora of bad memories and constant fear, a time of solitude and captivity. Though now a breakthrough in medical science connected with coronavirus is giving hope to the possible prevention of Ebola. The universal vaccine was designed entirely by artificial intelligence (AI), and more importantly, it was successful.

It was the first time an AI-designed vaccine has completed a human clinical trial. The results of the trials were published in the Journal of Infection, and according to that report, phase one of the trial was observed by 39 healthy adult volunteers aged 18 to 50 and demonstrated a 100 pc safety profile.

The study stated that this vaccine was developed by the research team at the University of Cambridge and the company DIOSynVax, and they claimed that their vaccine has strong immune responses against various coronavirus strains.

And with this very crucial discovery in medical science, there is also a hope for designing a very effective vaccine for Ebola. Essentially, offering a proactive shield against a disease that continues to pose a significant global public health risk.

How Will This Breakthrough Contribute To The Development Of An Ebola Vaccine?

The vaccines that are traditional often tend to be reactive in nature, which means they can only work on a particular strain of a virus, and as a result, when the virus mutates and evolves, it becomes obsolete.

Artificial intelligence or machine learning can make a big difference in this aspect as it scans the genetic sequences of an entire family of viruses. The development of a universal COVID vaccine followed the same process. The AI pointed out the core features common to all of them, including strains that haven't even crossed over to humans yet, and after that, it has designed the new vaccine.

Though this very vaccine will not directly work on Ebola, the same process and technology can be used to create a similar vaccine in record time for Ebola as well. As the situation of the disease worsens by the day, it has crossed 500 cases.

As of Saturday, the Democratic Republic of the Congo (DRC) reported that its total number of Ebola cases had increased to 488 from 452 cases and caused 86 deaths. Its neighbor, Uganda, also has reported 19 cases.

This time, the Ebola outbreak has caused most harm to the Democratic Republic of the Congo (DRC), and during this mayhem, its neighboring nation, Uganda, which is also fighting to contain the disease as it is also seeing a surge in cases, has completely closed off its western border with DRC.

The World Health Organization (WHO) has declared the outbreak an international public health emergency, and the Centers for Disease Control and Prevention (CDC) warned that the Ebola outbreak of this time could swell to become the largest Ebola epidemic in history.