Hay fever is an allergic reaction to common substances such as dust or pollen.Some of the symptoms of hay fever include coughing, sneezing, a runny nose, and swollen eyelids.You can treat hay fever with medications such as antihistamines or intranasal steroid sprays. This article was medically reviewed by Omid Mehdizadeh, MD, otolaryngologist and laryngologist at the Pacific Neuroscience Institute's Pacific Eye, Ear & Skull Base Center at Providence Saint John's Health Center in Santa Monica, California.Visit Insider's Health Reference library for more advice. The symptoms of hay fever can feel a lot like having a cold – you may be coughing, sneezing, or have a runny nose. But unlike a cold, hay fever is caused by an allergic reaction, not a viral infection. Here's what you need to know about

Due to schedule disruptions, stress, and being stuck inside, many babies and children are experiencing sleep regression amid the coronavirus pandemic.Dr. Harvey Karp, a pediatrician and sleep expert who created the SNOO crib, shares some tips on how parents can effectively address sleep regression.Karp recommends a consistent bedtime routine, spending time outdoors, and engaging in soothing talk before bed.Visit Insider's homepage for more stories.If your child's sleep has become more erratic during the coronavirus crisis, know that you're not alone. In fact, Italian pediatricians reported widespread sleep disturbances among their young patients as the pandemic hit its peak there.Between our new home-bound lives and the stress of a global pandemic, many factors can compromise our kids' sleep

When you buy through our links, we may earn money from our affiliate partners. Learn more.The Tempo Studio is a comprehensive at-home fitness solution with quality equipment and effective streamable workouts.The cabinet features gym-grade weight plates, stainless steel barbell and dumbbells, and a huge 42-inch color touchscreen that shows each workout and helps correct your form and technique. During my two-week testing period, the Tempo experience far exceeded my expectations and satisfied so much of what I've missed about going to my local fitness center. It even had me questioning whether I'd ever need to pay the dues to visit a physical gym if I owned a unit of my own. Though it's expensive at $1,995 for the machine (plus $39 a month for access to the workout classes), the cost is comparable

Devoted Health wants to change the way the U.S. takes care of its senior citizens, and it has big plans in its first five years to do just that.The startup, which has been gathering lots of buzz in the last year, was founded to sell private health insurance plans to U.S. seniors, a market that is growing rapidly as Baby Boomers age.Using one pitch deck, Devoted Health managed to secure $300 million from investors in a funding round led by Andreessen Horowitz late last year, with a valuation of $1.8 billion – all before it signed up a single customer.But the deck also outlined the company's aggressive plans for its first five years. Devoted Health planned to sign up 5,000 members for 2019 and grow that to 103,722 by 2023. It expects to make about $1.2 billion in revenue in 2023 while generating

rapid characterization of high speed digital channels using a multiport VNA

digital level shifter for I2S digital audio interface

Compact solution for network analysis in the mmWave range

Measuring and optimizing the characteristics of individual elements within an antenna array for beamforming performance of Qualcomm 5G mmWave modems SDX50 and SDX55.

OTA characterization of phased array antennas and antenna in package (AIP)

Thanks to their multichannel capability, oscilloscopes are ideal for multichannel applications such as the analysis of MIMO signals (e.g. 5G NR, WLAN), multi-antenna radar signals and differential high-speed digital signals (e.g. USB 3.x). These applications require the oscilloscope channels to be tightly aligned. This means the channel-to-channel residual skew has to be measured accurately so that it can be compensated.

ROAD TO RIO 2016: British diver Chris Mears, who won a gold Commonwealth medal in the synchronised 3m springboard event with Jack Laugher in Glasgow, talks about his success.

It’s the first time in my career that I’ve had such a lengthy setback and it’s been really hard being off my bike, particularly as my family are such keen cyclists.

ROAD TO RIO 2016: I’ve just finished my first year playing abroad. I left Sheffield Steelers to join Amiab Albacete in Spain and it was awesome! The basketball is totally different and, because it’s a semi-professional league, you are there just to play.

Jessica Ennis, one of the great icons of the London games, forged her medal success in the heart of the steel city. Now, another young man hopes to join such illustrious company.

SALLY BROWN: It has been a difficult year for me. In January my feet started giving me problems again. I wasn't even able to train.

It's been a crazy few months since I last checked in on my Road to Rio. The Commonwealth Games were incredible but after a brilliant summer off, I'm already looking forward to the 2016 Olympics.

HARRY BROWN: I’ve been at home in Halifax in West Yorkshire for Christmas, which is a rare two weeks in the UK for me.

We’ve just got back from a training camp in South Africa and that was a really good experience. It was hot – about 35C every day – so it was really warm and great for training.

BECKY JAMES - ROAD TO RIO: I’ve been out injured for a whole year now, but I’m finally on the verge of a return to regular training. It’ll be such a relief after such a long time out.

I can’t tell you how special it felt to win a medal in front of a home crowd in London. It was a great atmosphere and the fans always give you a huge boost.

Jessica Ennis-Hill made an impressive return to heptathlon action on Saturday to lie third overall after four events at the Hypo-Meeting in Austria. It is the first time she has competed since 2012.

BECKY JAMES - ROAD TO RIO: I never thought I’d be so excited about training, but having been in Manchester for the last couple of months following a year on the sidelines, it feels so good to be back.

Lutalo Muhammad is relishing the prospect of renewing one of the biggest rivalries in his sport when he takes to the mat for the men's -80kg taekwondo competition at the European Games.

BECKY JAMES: It's been an emotional roller-coaster but I'm finally getting my confidence back. After the National Championships this weekend I can focus on making it to the Olympics in Rio next year.

SALLY BROWN - ROAD TO RIO: I am so excited for the next year, which I have not been able to say for a while. I am now able to run 300 metres and not have any problems so I am excited to get out and run.

BOB TREASURE: There have been some dark days for Becky James over the past year and a half. The double world champion cyclist last raced for Team GB at the World Championships in 2014.

Max Whitlock has grown used to delivering on the biggest stage over the past four years but Britain's record-breaking gymnast admits he had to take a step back from the sport in order to refocus on Rio.

I’m feeling really good physically – my hamstring’s wicked! I hurt it last June in Birmingham but now it’s maybe even better than before the injury. There are no side effects and no scar tissue.

Everything’s been going really well and I’m getting ready to compete now in the next few weeks, which is exciting. I didn’t compete at all last year so I’m looking forward to getting back on the track.

I can’t wait to walk out in front of a stadium full of people in Rio feeling like I belong, there’s no better feeling than lining against the best in the world.

Britain has a stable of young sprinters that is the envy of the world, and Sportsmail has brought them together for a stunning photoshoot.

Republican Louisiana Sen. John Kennedy, 68, walked back on his comments that Ukraine interfered in the 2016 presidential election during an interview on CNN on Monday.

Justice Department lawyers asked a judge to put on hold a ruling requiring Don McGahn to testify as part of the Democrats' impeachment probe against Donald Trump.

Doubts were cast over Gordon Sondland's call with Donald Trump where POTUS allegedly told him there was 'no quid pro quo' at play in U.S. policy toward the Ukraine, as no record of the call exists.

Congressman Jefferson Van Drew of New Jersey doesn't support impeachment and says only a 'small elite group' of lawmakers want to remove Trump, which would be 'un-American'.

Mother Snezhana, 22, had left nine-month-old girl Alexandra asleep in her pram outside her home in eastern Ukraine when a cat climbed inside and curled up on the girl's face, suffocating her.

An unnamed 33-year-old woman allegedly tried to kill her young child at a children's hospital in Odesa, Ukraine. She was in the middle of a drinking session when her son woke up crying.

Call records released in the House Intelligence Committee's impeachment inquiry report reveals multiple contacts between Rudy Giuliani and the White House during the Ukraine controversy.

Former Vice President Joe Biden continues his 'No Malarkey' bus tour in Iowa Friday - a day after getting in a heated confrontation with an 83-year old voter he called a 'damn liar.'

Fabrizio Ravanelli has revealed his 'big dream' is to one day become coach of his favourite club Juventus. The former striker, known as the 'White Feather' was a prolific scorer for Juve.

Texas Rep. Louie Gohmert claimed Democrats have blocked witnesses who might undercut their theories. He named seven during a hearing, including a man widely thought to be the whistle-blower.

The Russian leader, 67, was filmed leaving the bathroom in Paris's Elysee Palace alongside six armed bodyguards. Putin was in Paris for a summit to discuss a ceasefire with Ukraine.

The House Judiciary Committee's second consecutive day of impeachment hearings abruptly ended Thursday night and will resume 10am Friday morning.

Chuck Schumer accused Donald Trump of covering up his actions in regards to the Ukraine and claimed many Republicans have 'privately' told him they want to hear new evidence during Senate trial.

New York Rep. Antony Brindisi says he will vote to impeach President Donald Trump. He was elected in 2018 with just 51 per cent of the vote, in a district Trump carried by 15 points two years earlier.

The former vice president told an Iowa editorial board that he would not comply if subpoenaed in an impeachment trial of President Donald Trump because it would detract from from his own actions.

For just over a year, former baker Ursula Martin, 39, from Derbyshire, has been walking by herself from Ukraine back to the UK while fundraising for Target Ovarian Cancer.

Trump lawyer Rudy Giuliani wants the U.S. Supreme Court to intervene and declare the Democratic-driven impeachment unconstitutional.

The unnamed husband from Zaporizhia in Ukraine, who is in his 40s, was woken up by pain in the morning and saw his penis being 'strangulated' and becoming further swollen.

Despite Adam Schiff leading the House impeachment inquiry into US President Trump allegedly withholding aid from Ukraine, not one of the three contestants recognised him.